Petcock

3 definitions found

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

  pet \pet\, a.
     Petted; indulged; favorite; admired; cherished; as, a pet
     child; a pet lamb; a pet theory; a pet animal.
     [1913 Webster]
  
           Some young lady's pet curate.            --F. Harrison.


     [1913 Webster]
  
     {Pet cock}. [Perh. for petty cock.] (Mach.) A little faucet
        in a water pipe or pump, to let air out, or at the end of
        a steam cylinder, to drain it. [Also spelled {petcock}.]
        [1913 Webster]

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

  petcock \pet"cock`\ (p[e^]t"k[o^]k`) n.
     A small cock or faucet or valve for letting out air or
     releasing compression, or for draining a vessel.
     [WordNet 1.5]

From WordNet (r) 2.0 [wn]:

  petcock
       n : regulator consisting of a small cock or faucet or valve for
           letting out air or releasing compression or draining