The Collaborative International Dictionary of English v.0.48:

Chophouse \Chop"house`\, n.
   A house where chops, etc., are sold; an eating house.
   [1913 Webster]

         The freedom of a chophouse.              --W. Irving.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Chophouse \Chop"house`\, n. [See Chop quality.]
   A customhouse where transit duties are levied. [China] --S.
   W. Williams.
   [1913 Webster]

WordNet (r) 3.0 (2006):

chophouse
    n 1: a restaurant that specializes in steaks [syn: steakhouse,
         chophouse]