weather-whistle

‘wedozwisot n. a whistle used as a wether-signal; a signal consisting of steam-whistle blasts, long and short, 1n various comb-nations. web web n. 4. a sheet of woven hea covering an aeroplan-swing; the cloth which forms the surface of an aeroferl. 2. the vane or vexillum of a bird’s fether on either side of the shaft or stem; the pogonium or van. 3. one of the wooden blocks acting as distanc-pieces between the ribs of the sustaining-plane of a flying-machine. webbing ‘web in n. the woven fabric which is styetcht over the frame of an aerofex! or wing; the cloth surfacing of an aeroplane. web-cloth ‘web,kzo:6 ». the cloth used 1n or constituting the web of an aircraft. webby ‘webiz adj. of a web; webzlike; membranous: as, the *webby plumage of certain birds; the *webby wings of bats. web-sprit ‘web,spsit. a spsit or spar connected with the web or webbing of a aircraft.: weight woot n. shifting weight, one of the weights or hevy bedies which in some airships are made to shrift longitudinally along the under structure to aid in maintaining equzlrbrium. weight-carrier ‘woot,kezi-az n. a flying-machine especially designed to carry weight; an aircraft for transporting hevy goods; an aerial freighter. westerly ‘westaz-tz n. [ploral westerlies] a westerly wind: as, a prevailing *westerly. wheel wiil ». the circular, rotatrng handle by the manipulation of which the driver or pilot eperates the rudder or control of an aircraft; the hand-wheel used for steering; the steering-wheel; the helm-wheel: as, at the airshrp’s *wheel; the *wheel of the aeroplane. wheel-kite ‘wiit,katt n. a hevy Chinese taild kite consisting of two connected disks in each of whose faces is a windmullavheel which is revelvd by the wind. whip wip ”. one of the radii, arms, or sail-frames of an old i style fourzvaned vertical windmill. whip-line ‘wipjain n. a line or piece of strong cerd which is attacht at One end to the bridle of a kite and which has ~ at its other end a long loop to which the flying-cerd or kited line. may be tied. whir we:z v. 4. inti. fly, dart, revelv or otherwise move quickly with a whizzing or bung sound, or swish, like that made by a stick or a project] moving rapidly thru the air; whizz. DICTIONARY OF AVIATION | (249 2. tr. move quickly with a whizzing or buzzing sound: as, the humming-bird *whirs its wings. whir we:z ». a swishing or buzzing sound, as of the wings of certain birds when in flight, or of the blades of a revelving propeller. whirl we:it v. 4. tr. swing or turn rapidly round; rotate; revelv. 2. inti. turn swiftly round, as in a helzcerd course; rotate rapidly. whirl we:zi n. 4. a rapid turning or circling movement; a swift or rotary motion or gyration: as, his spiral *whirl thru the air. 2. a ma of air or other matter having such a circling or helzxcerd motion, as an airzeddy or whirlwind. whirlblast ‘wa:zi,bla:st. a whirling blast of wind; a whirlwind. whirling-fan ‘we:z-lin,fen n. a fan which by whirleng xrmparts motion to an aircraft; a fanzpropeller; an airscrew. whirling-machine ‘we:z-t1n-ma,{1in ». a primitrv form of whirling-table? said to have been first used by Robbins in 1761. whirling-table ‘we:z-t1n,tee-bat n. a machine consisting of a herzzental arm turning upon a vertical axis used for whirling or revelving planes or aeroferls in erder to determin the resistance efferd by the air, or for determining the constants of an eme meters, or for similar purposes; a whirling-machine of medern construction. whirlwind ‘we:it,wind n. a wind moving in a whirl, eddy, or circumscribed circular path; a ma of air, as rn a tornado, waterspout, or sand-pillar, of which the height is usually great 1n proportion to the width, rotating raprdly en a vertical or slightly inclined axis and having at the same time a translatory motion over the land or sea. wicker ‘wikoz 1. a small pliant twig; an osier; a withe; also, wickerwork. wickerwork ‘wikoz,we:zk n. [also spelt wicker-work] basketwork of any sort, as that of a balloonccar; anything plated, woven, or wattled of flexible and tough material, as osier, rattan, or thin strips of wood. winch wint§ 7. a machine 1n which an axis 1s rotated by means of a crankchandle, used for winding up or letting out the holding-rope of a captiv balloon, or a kite-line; a windla . winch-house ‘wint{,havus n. a house or bildsng from which a kite-winch is workt. -wind wind n. air rn natural motion at or above the earth’s surface, er, especially, relatzvly to the earth’s surface; an atmosferze current; a current of air as coming from a particular direction; a movement or rush of air relativ to the observer, as when flysng thru still air; also, air artzfrcially put in motion, as by bellows or a blower, or by a projectil; an a irc current or blast, natural or artzfrcial. against the wind, in an oppos it direction to the wind; in a direction oppos it to that in which the wind is blowing; so as to meet the wind. backing wind, a wind the changzrng direction of which shifts around the dial of the compa anti-cleck wise, or against the sun: the oppos it of hauling wind. beating wind, (seacterm) a hedewind which beats against a ve el and forces it to tack. before the wind, (seazterm) in the direction in which the. wind blows. Cape-town wind, a violent vapor-laden wind which blows down from Table Mountain, oppos it Cape Town, South Africa. cardinal wind, a wind which blows from one of the four cardinal points; a north, south, east, or west wind. chinook wind, a warm, dty, westerly or nertherly wind blowing at intervals en the eastern slopes of the Rocky Mountains, stmzlar to the féhn winds of Switzerland; a chinook. coastal wind, same meaning as coast-wind. diurnal inversion of the wind, the mversion or reversal of the relations of the veleczties of the winds every twenty four hours disco verd by Espy in 1840; the law that the wind next the surface of the earth is feeblest at night and strengest at midday, whereas the reverse is tyue at a certain altitude above the surface. Dove's law of the rotation of the winds, the law or rule, known alredy by Arzstetle to be true (for the Mediterranean region) but given wider extension by Dove in 1827, that, in the north temperate zone, thé wind-directions at any given place pa thru a cycle of changes lasting only a few days, the erder usually being east, south, west, north: that 1s (en a compa -dial), clockwise, er with the sun. down the wind, in the same direction as the wind is blowing or moving; with the wind: as, birds fly quickly *down the wind. etesian wind, the regular north and nertheast wind blowing over the Mediterranean Sea from southern Europe rn the summertime, especially 1n Joly and August, and apparently due to an indraft of air toward the Sahara. eye of the wind, the precise point from which the wind is blowing. face of a wind, the front or fore-part of a wind conceivd as a ma of advancing air; the aspect presented by a hedz wind: as, to struggle 1n the *face of a wind. fish-tail wind, a fluctuating or gusty wind. ground-surface wind, a wind along the surface of the ground; a wind just above the land-surface. hauling wind, a wind the changing direction of which shifts around the dial of the compa cleck wise, or with the sun: the oppos it of backing wind. head wind, same meaning as head-wind. high wind, a wind of great velocity or force; a styeng wind. hot wind, any wind made up of het or very warm air; specifically, in Austzalia, a north wind lasting two or three days, and being at times exce i vly het. hurricane wind, a wind which 1s characteristrc of a hurricane, revelving antzzcleckwise in the nerthern hemrsfere, clockwise in the southern. mean wind, a wind which has the mean or average velecxty or force. moderate wind, same meaning as moderate breeze. see under breeze. planetary wind, a wind which forms part of or 1s due to the planetary circulation of the earth’s atmosfere; a planetary a irc current. see under circulation. polar wind, one of the winds characteristze of the polar regions of the earth; one of the general atmosferze currents in the neighborhood of the north or south pole. relative wind, the wind or motion of the air relatrv to a moving body or ebject such as an aeroforl, airshrp, or flyer, in flight. spiraling wind, same meaning as spiral wind. spiral wind, a wind which has a spiral or helzcerd course; an atmosferze current. moving spirally, as 1n a cyclone, or around the globe; a cyclenze or antrcyclenre wind; a spiraling wind. stiff wind, a wind of const der able strength or vele city; a strong wind; a stiff breeze. with the wind, 1m the direction 1 which the wind is blowing or moving; down the wind.