Ratch

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Ratch \Ratch\ (r[a^]ch), n. (Zool.)
     Same as {Rotche}.
     [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 [gcide]:



  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]

From WordNet (r) 2.0 [wn]:

  ratch
       n : 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}]