The Collaborative International Dictionary of English v.0.48:
Crocodilian \Croc`o*dil"i*an\ (kr?k`?-d?l"?-an), a. (Zool.) Like, or pertaining to, the crocodile; characteristic of the crocodile. -- n. One of the Crocodilia. [1913 Webster]WordNet (r) 3.0 (2006):
crocodilian n 1: extant archosaurian reptile [syn: crocodilian reptile, crocodilian]