Search Result for "ratch": 
Wordnet 3.0

NOUN (1)

1. mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction;
[syn: ratchet, rachet, ratch]


The Collaborative International Dictionary of English v.0.48:

Ratch \Ratch\ (r[a^]ch), n. (Zool.) Same as Rotche. [1913 Webster]
The Collaborative International Dictionary of English v.0.48:

Ratch \Ratch\ (r[a^]ch), n. [See Rack the instrument, Ratchet.] A ratchet wheel, or notched bar, with which a pawl or click works. [1913 Webster]
WordNet (r) 3.0 (2006):

ratch n 1: mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction [syn: ratchet, rachet, ratch]