bird principle

A Dictionary of Aviation · 1911 · p. 6
the principle or method according to which birds fly; the flapping-wing principle; the ernzthopter idea. « flying bird, any bird which habitually flies, as distinguisht from birds which do not habitually fly. homing bird, a bird that goes home; a bird, such as the carrier-pigeon, which, when releast from restgaint, has the faculty or tendency to return, from great distances, to its home or place where it was reared. mechanical bird, a bird-like flyrzngemachine, or an artificial bird designed to fly. sailing bird, a bird which sails, soars, or glides in the air; a bird which practises sailing flight. bird-catcher ‘ba:zd,ket\az n. one who or that which catches birds, as a person, a bird, or an insect. bird-craft ‘be:zd,ksa:ft 7. thé craft or art of flying as practist by birds; the art of flight. bird-fancier ‘bs:zd,fens i-az. one who fancies, or takes plesure in, rearing or collecting birds; also, a dealer an pet or captiv birds. bird-flight ’be:zd,fzait n. the mode of flight characteristze of birds; bird-like flight. bird-flock ‘be:zd,fzek n. a fleck or company of birds. bird-flock flyer, a flyer or flying-machine such as A. G. Bell’s ‘tetrahedral-cell flying-apparatus, whose structure makes it resemble a fleck of birds in flight. bird-life ‘be:zdjarf n. the life of birds; the mode of existence, habrzts, etc., of the fetherd tribe. bird-kite ‘be:zd,kart n. a Chinese kite which resembles a bird; a bird-like kite. bird-land ’bse:zdjend n. the land or relm of birds; the airy reaches; airdom. bird-like ‘be:zdJartk adj. like a bird; resembling that of a bird. birdman /be:zd,men n. [also spelt bird man; ploral birdmen] 4. a bird-catcher; a fowler; also, an ernzthelog t. 2. a man who flies, by artificial means, 1n a manner comparable to that of a bird; a manzbird; an aviator. bird’s-eye ‘ba:zdz,a1 adj. seen from above, as rf by a flying bird: as, a *bird’szeye landscape, a *bird’szeye view. bird’szeye view, a mode of per spec try representation 1n which portions of country, towns, etc., appear as they would of viewd from a considerable elevation. bird-tail ‘ba:zd,tool n. a tail like that of a bird. bird-travel ‘be:zd,tyevat n. the travel of birds; the periedzc journeying to and fro of migrating birds. bird-wave ’be:zd,weev n. a wave or tide of bird rmmugration; an arrival of birds in const der able numbers, as im the spring or fall.
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