Wordnet 3.0
NOUN (1)
1. 
 a square comb with rows of small teeth; 
 used to curry horses; 
VERB (1)
1. 
 clean (a horse) with a currycomb; 
The Collaborative International Dictionary of English v.0.48:
Currycomb \Cur"ry*comb`\ (k?r"r?-k?m`), n.
   A kind of card or comb having rows of metallic teeth or
   serrated ridges, used in currying a horse.
   [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Currycomb \Cur"ry*comb`\, v. t.
   To comb with a currycomb.
   [1913 Webster]
WordNet (r) 3.0 (2006):
currycomb
    n 1: a square comb with rows of small teeth; used to curry
         horses
    v 1: clean (a horse) with a currycomb