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Definition of Ratch
1. Noun. Mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction.
Exact synonyms: Rachet, Ratchet
Generic synonyms: Mechanical Device
Terms within: Click, Detent, Dog, Pawl, Ratchet Wheel
Group relationships: Ratchet Screwdriver, Spiral Ratchet Screwdriver
Derivative terms: Ratchet
Generic synonyms: Mechanical Device
Terms within: Click, Detent, Dog, Pawl, Ratchet Wheel
Group relationships: Ratchet Screwdriver, Spiral Ratchet Screwdriver
Derivative terms: Ratchet
Definition of Ratch
1. n. Same as Rotche.
2. n. A ratchet wheel, or notched bar, with which a pawl or click works.
Definition of Ratch
1. a ratchet [n -ES]
Medical Definition of Ratch
1.