ratchet cog comb crag fang harrow jag peak pecten projection rake sawtooth snag snaggle spire sprocket spur steeple tooth |
Ratch (n.) Same as Rotche. |
Ratch (n.) A ratchet wheel, or notched bar, with which a pawl or click works. |
ratchet rachet ratch | mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction |