twin valve

A form of valve attached to the discharge outlet of a pump. It is used for making a double connection, one with the steam-boiler, for supplying it with water, and the other with a line of hose, for use in case of fire, or for conducting water wherever desired. tvinni = twine, tvinna = to twine, tvinnr = twin; Danish tvinde to twine; Sw. tvinna =to twine, tvinntråd=twine-thread.] IMG:content-1611.png:[blocks in formation] twinga , dwinga =to constrain (pa. t. twang , twong , pa. par. twongen ); O.Sax.thwingan ; Dan. tvinge = to force, to compel, to constrain; Sw.tvinga ; Icel. thvinga to oppre ; Dut. dwingen to constrain (pa. t. dwing , pa. par. gedwongen ); Ger. zwingen (pa. t. zwang , pa. par. gezwungen), zwängen =to pre tightly, to constrain.] A. Transitive : *1. To pain, to afflict, to hara . "Whil that twinges me the foe."-Early Eng. Psalter , Ps. xli. 10. 2. To affect with a sharp, sudden pain; to torment with pricking, or sharp pains, "Twing'd with pain, he pensive sits, And raves, and prays, and swears, by fits." Gay: Fables, 31. *3. To pinch, to tweak, to pull. "But when a man is past his sense, There's no way to reduce him thence, But twinging him by th' ears or nose.' Butler: Hudibras , pt. iii., c. 1. B. In trans.: To have a sharp, sudden, local pain, like a twitch; to suffer a sharp, keen, shooting pain; as, one's side twinges . twinge, s. [TWINGE, v.] 1. A sharp, sudden, shooting pain; a darting local pain of momentary duration; a twitch. "He felt a pain acro his breast, A sort of sudden twinge , he said." 2. A pinch, a tweak. Moore: The Trial of Sarah, . 3. A pang, as of remorse or sorrow. "[He] at length perpetrates without one internal twinge acts which would shock a buccaneer."-Macaulay: Hist. Enc . , ch. xviii. twin-ing, pr. par. or a. [TWINE, v.] twining-stem, s. Bot.: A stem having the property of ascending by means of spiral convolutions around a support ing body. Some twining plants twist from left to right or in the direction of the sun's course, as the hop; some from right to left, or opposite to the sun's course, as Convo lulus sepium . (Lindley.) twin-ing-ly, adv. [Eng. twining; -ly.] In a twining manner; by twining. *twink (1), *twink-en, *twink-in, v.i. [A nasalized form of A. S. twiccan =to twitch (q.v.), the meaning thus being to keep on twitching or quivering, hence, to twinkle.] 1. To twinkle. ( Prompt . Parv .) 2. To wink. "Whan that I twink in upon the Loke for to be gon." Coke's Tale of Gamelyn. *twink (2), v. t. (TWINGE.] To blame, to abuse, to find fault with. "I have been called away ten times, and shall be twinked if I do not leave you." -Eliz. Carter: Letters , i. 300. twink, s. [TWINK, v.] A twinkle, a wink. *twink-ā-tion, subst . [TWINK, 2, v .] A finding to turn. *4. To turn round, to whirl, to spin.