ratch
71rachet — noun mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction • Syn: ↑ratchet, ↑ratch • Derivationally related forms: ↑ratchet (for: ↑ratchet) • Hypernyms: ↑ …
72ratchet wheel — noun toothed wheel held in place by a pawl or detent and turned by a lever • Hypernyms: ↑wheel • Part Holonyms: ↑ratchet, ↑rachet, ↑ratch * * * noun 1. : a notched or toothed wheel either held in position or turned by an engaging detent …
73spiral ratchet screwdriver — noun a screwdriver with a ratchet (so the blade turns in only one direction) and a spiral in the handle (so the blade rotates) with downward pressure on the handle • Syn: ↑ratchet screwdriver • Hypernyms: ↑screwdriver • Part Meronyms: ↑ratchet,… …
74ratching — noun ( s) Etymology: from gerund of ratch (III) : extra draft due to excess speed of the mule carriage over the roller delivery in spinning …
75rachch — obs. f. ratch v …
76ratsche — obs. Sc. form of ratch n.1 …
