RATCHET
ratchet, rachet, ratch
(noun) mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction
ratchet, rachet up, ratchet down
(verb) move by degrees in one direction only; “a ratcheting lopping tool”
Source: WordNet® 3.1
Etymology 1
Noun
ratchet (plural ratchets)
A pawl, click, or detent for holding or propelling a ratchet wheel, or ratch, etc.
A mechanism composed of a ratchet wheel, or ratch and pawl.
A ratchet wrench.
(by extension) A procedure or regulation that goes in one direction, usually up.
Verb
ratchet (third-person singular simple present ratchets, present participle ratcheting, simple past and past participle ratcheted)
(transitive) To cause to become incremented or decremented.
(intransitive) To increment or decrement.
Etymology 2
Adjective
ratchet (comparative more ratchet, superlative most ratchet)
(US, slang) Ghetto; unseemly, indecorous.
Anagrams
• chatter, traceth
Source: Wiktionary
Ratch"et, n. Etym: [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.
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.
Source: Webster’s Unabridged Dictionary 1913 Edition