Search Result for "cotter pin":
Wordnet 3.0

NOUN (1)

1. a cotter consisting of a split pin that is secured (after passing through a hole) by splitting the ends apart; 



WordNet (r) 3.0 (2006):

cotter pin
    n 1: a cotter consisting of a split pin that is secured (after
         passing through a hole) by splitting the ends apart