Ratchet-wheel
21ratchet — ► NOUN ▪ a device consisting of a bar or wheel with a set of angled teeth in which a pawl, cog, or tooth engages, allowing motion in one direction only. ► VERB (ratcheted, ratcheting) 1) operate by means of a ratchet. 2) (ratchet up/down) cause… …
22wheel — [n] circle, revolution caster, circuit, circulation, circumvolution, cycle, disk, drum, gyration, gyre, hoop, pivot, pulley, ratchet, ring, roll, roller, rotation, round, spin, trolley, turn, twirl, whirl; concepts 436,464,502 wheel [v] turn,… …
23wheel — n. circular rim or solid disc joined to a hub that turns 1) to spin; turn a wheel 2) to align; balance; rotate wheels (on a car) 3) a balance; driving; front; idler; mill; paddle; potter s; ratchet; rear; retractable; roulette; spinning;… …
24ratchet — I. noun also rachet Etymology: alteration of earlier rochet, from French, alteration of Middle French rocquet ratchet, bobbin, of Germanic origin; akin to Old High German rocko distaff more at rock Date: 1654 1. a mechanism that consists of a bar …
25ratchet — [[t]ræ̱tʃɪt[/t]] ratchets, ratcheting, ratcheted 1) N COUNT In a tool or machine, a ratchet is a wheel or bar with sloping teeth, which can move only in one direction, because a piece of metal stops the teeth from moving backwards. The chair has… …
26Ratchet (device) — In mechanical engineering, a ratchet is a device that allows linear or rotary motion in only one direction, while preventing motion in the opposite direction. Ratchets are used in many other mechanisms, including clocks, capstans, turnstiles,… …
27ratchet — ratch|et1 [ˈrætʃıt] n [Date: 1600 1700; : French; Origin: rochet, from Old French rocquet point of a spear ] a machine part consisting of a wheel or bar with teeth on it, which allows movement in only one direction ratchet 2 ratchet2 v ratchet up …
28ratchet — I UK [ˈrætʃɪt] / US noun [countable] Word forms ratchet : singular ratchet plural ratchets a part of a machine consisting of a wheel or bar with teeth on it. Another metal piece fits into it, allowing it to move in only one direction. II UK… …
29wheel — I (New American Roget s College Thesaurus) n. disk, circle, roller; roulette or fortune s wheel; bike, bicycle; slang, VIP, big wheel, bigwig. See circularity, vehicle, importance. v. roll; trundle, cycle; rotate, revolve, spin, twirl; pivot,… …
30ratchet — noun a device consisting of a bar or wheel with a set of angled teeth in which a pawl, cog, or tooth engages, allowing motion in one direction only. verb (ratchets, ratcheting, ratcheted) 1》 operate by means of a ratchet. 2》 (ratchet something… …
