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Ratchet   Listen
noun
Ratchet  n.  
1.
A pawl, click, or detent, for holding or propelling a ratchet wheel, or ratch, etc.
2.
A mechanism composed of a ratchet wheel, or ratch, and pawl. See Ratchet wheel, below, and 2d Ratch.
Ratchet brace (Mech.), a boring brace, having a ratchet wheel and pawl for rotating the tool by back and forth movements of the brace handle.
Ratchet drill, a portable machine for working a drill by hand, consisting of a hand lever carrying at one end a drill holder which is revolved by means of a ratchet wheel and pawl, by swinging the lever back and forth.
Ratchet wheel (Mach.), a circular wheel having teeth, usually angular, with which a reciprocating pawl engages to turn the wheel forward, or a stationary pawl to hold it from turning backward. Note: In the cut, the moving pawl c slides over the teeth in one direction, but in returning, draws the wheel with it, while the pawl d prevents it from turning in the contrary direction.






Collaborative International Dictionary of English 0.48








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"Ratchet" Quotes from Famous Books



... surcingle, knot, running knot; cabestro [U.S.], cinch [U.S.], lariat, legadero^, oxreim^; suspenders. pin, corking pin, nail, brad, tack, skewer, staple, corrugated fastener; clamp, U-clamp, C-clamp; cramp, cramp iron; ratchet, detent, larigo^, pawl; terret^, treenail, screw, button, buckle; clasp, hasp, hinge, hank, catch, latch, bolt, latchet^, tag; tooth; hook, hook and eye; lock, holdfast^, padlock, rivet; anchor, grappling iron, trennel^, stake, post. cement, glue, gum, paste, size, wafer, solder, lute, putty, ...
— Roget's Thesaurus of English Words and Phrases: Body • Roget

... chap; must have been sixty, with a moustache that was dirty brown at the tips and grey at the roots, and a crease down each of his cheeks that was always twitching while he chewed. He was lying on his side in a puddle of water, a slush lamp close to his head, working a ratchet-drill into the shell of the boiler. I had to crawl in alongside of him and help him. Me! And I'd been writing 'fitters' instructions' in the office for three years. It ...
— Aliens • William McFee

... walked together to the terminal station of the small ratchet railway. When they parted the Spaniard and the yachtsman had arranged a telegraph code which might be used by the small but complete wireless equipment of the Isis. An hour later the launch from the yacht took him aboard at the ancient stone jetty, where the fruit-venders ...
— The Lighted Match • Charles Neville Buck

... responsive titter still continuing below and Irving standing there stern and red, Westby disappeared into the loft. There was a moment's silence, then a sudden clicking of a ratchet wheel, and Allison began to rise rapidly ...
— The Jester of St. Timothy's • Arthur Stanwood Pier

... sliding outer barrel, ran the contents of the clip through the mechanism. The eight cartridges slid out in a stream. He refilled the clip, threw a cartridge into the chamber, and, with the trigger at full cock, thrust up the safety ratchet. He shoved the weapon into the side pocket of his coat, ordered another Martini, and ...
— Burning Daylight • Jack London

... ride a horse of steel Wound up with a ratchet-wheel. Every beast I'd put to rout Like the man I read about. I would singe the leopard's hair, Stalk the vampire and the adder, Drive the werewolf from his lair, Make the mad gorilla madder. Needle-guns my work should ...
— The Joyful Heart • Robert Haven Schauffler

... that spring and early summer, she was conscious of a change, a sort of loosening, something in him had given way—as when, in winding a watch, the key turns on and on, the ratchet being broken. Yet he was certainly working hard—perhaps harder than ever. She would hear him, across the garden, going over and over a passage, as if he never would be satisfied. But his playing seemed to her to have lost its ...
— Forsyte Saga • John Galsworthy

... by having a "round number" of teeth (examples with 16, 24 and 40 teeth are known) and a shank with a square hole which fits without turning on a squared shaft. Another remarkable feature in these early gears is the use of ratchet-shaped teeth, sometimes even twisted helically so that the gears resemble worms intermeshing on parallel axles.[5] The existence of windmills and watermills testifies to the general familiarity, from classical times and through the middle ages, with the use of gears ...
— On the Origin of Clockwork, Perpetual Motion Devices, and the Compass • Derek J. de Solla Price

... an instant, then a curious gnawing sound punctuated with quick, low, metallic rasps as of a ratchet at work—and upon Jimmie Dale for a moment came stunned dismay. Time, the one factor upon which he had depended, was lost to him; Clarie Archman and Gentleman Laroque were already at work in there in that room beyond. He stood motionless, his ...
— The Further Adventures of Jimmie Dale • Frank L. Packard

... of iron falling into a notched wheel attached to the winches in cutters, &c., and thereby serving the office of pauls. (See RATCHET, or RATCHET-PAUL, in machinery.) It more peculiarly belongs to inferior ...
— The Sailor's Word-Book • William Henry Smyth

... the same trough or only a part of them. To effect this, the drum around which the chain winds that carries the carbons is mounted upon a sleeve fixed upon the axle. This latter is actuated by a winch; and a ratchet wheel, R, joined to a click which is actuated by a spiral spring, prevents the ebonite plates from falling back when it is desired to place the bolt under the button, B, ...
— Scientific American Supplement, No. 455, September 20, 1884 • Various

... doffed the apron and hung it behind the scullery door. With all the delicious curves of her figure newly revealed, she was reaching the alarm-clock down from the mantelpiece, and then she was winding it up. The ratchet of the wheel clacked, and the hurried ticking was loud. In the grate of the range burned ...
— The Price of Love • Arnold Bennett



Words linked to "Ratchet" :   click, ratchet wheel, ratchet screwdriver, spiral ratchet screwdriver, progress, go on, march on, ratchet down, pass on, dog



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