Search Result for "missing link":
Wordnet 3.0

NOUN (1)

1. hypothetical organism formerly thought to be intermediate between apes and human beings;
[syn: missing link, ape-man]



WordNet (r) 3.0 (2006):

missing link
    n 1: hypothetical organism formerly thought to be intermediate
         between apes and human beings [syn: missing link, ape-
         man]