Ratchet-wheel
11Ratchet drill — Ratchet Ratch et ( [e^]t), n. [Properly a diminutive from the same word as rack: cf. F. rochet. See 2d {Ratch}, {Rack} the instrument.] 1. A pawl, click, or detent, for holding or propelling a ratchet wheel, or ratch, etc. [1913 Webster] 2. A… …
12ratchet — [rach′it] n. [earlier rochet < Fr, lance head, distaff < It rocchetto, bobbin, spindle, dim. of rocca, distaff < Goth * rukka, akin to OHG roccho, spindle, distaff < IE base * ruk(k) , spun yarn] 1. a toothed wheel (in full ratchet… …
13ratchet bar — ratchet bar, a bar with pegs or teeth to hold against a ratchet wheel; rack …
14ratchet — /rach it/, n. 1. a toothed bar with which a pawl engages. 2. (not in technical use) a pawl or the like used with a ratchet or ratchet wheel. 3. a mechanism consisting of such a bar or wheel with the pawl. 4. See ratchet wheel. 5. a steady… …
15ratchet — n. & v. n. 1 a set of teeth on the edge of a bar or wheel in which a device engages to ensure motion in one direction only. 2 (in full ratchet wheel) a wheel with a rim so toothed. v. (ratcheted, ratcheting) 1 tr. a provide with a ratchet. b make …
16ratchet — /ˈrætʃət / (say rachuht) noun 1. a toothed bar with which a pawl engages. 2. the pawl used with such a device. 3. a mechanism consisting of such a bar or wheel with the pawl. 4. a ratchet wheel. –phrase 5. ratchet up, a. to increase in number,… …
17ratchet — 1. noun /ˈrætʃɪt/ a) A pawl, click or detent for holding or propelling a ratchet wheel, or ratch, etc. b) A mechanism composed of a ratchet wheel, or ratch and pawl. 2. verb …
18ratchet drill — noun : a hand drill in which the drill holder is revolved intermittently by a lever through a ratchet wheel and pawl * * * ratchet drill, a drill rotated by a ratchet wheel moved by a pawl and lever …
19ratchet crank — noun : a crank mounted on but not keyed to a shaft which it moves intermittently through a ratchet wheel and pawl …
20ratchet stop — noun : a device for limiting the motion of machinery in one direction that consists of a ratchet wheel or bar and a pawl which acts as a positive stop or controls the motion through a friction brake …
