bratchet | n. [ Sc. also bratchart; fr. ME. brachet, fr. OF. brachet; ML. brachetus, dim. of brache a hound. See brach. ] a kind of hound; a brach; -- applied contemptuously to a child. See also brach. [ Also spelled brachet. ] [ Century Dict. 1906 ] The bratchet's bay From the dark covert drove the prey. Scott, (Marmion, ii. int.). [ Century Dict. 1906 ] To be plagued with a bratchet whelp -- Whence came ye, my fair-favoured little gossip? . Scott, (Kenilworth, II. xxi). [ Century Dict. 1906 ] |
Ratchet | 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 mechanism composed of a ratchet wheel, or ratch, and pawl. See Ratchet wheel, below, and 2d Ratch. [ 1913 Webster ] 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. [ 1913 Webster ] [ 1913 Webster ] ☞ 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. [ 1913 Webster ] |