The Collaborative International Dictionary of English v.0.48:
Crouton \Crou`ton"\ (kr??`t?n"), n. [F. cro?ton, fr. cro?te a crust.] (Cookery) Bread cut in various forms, and fried lightly in butter or oil, to garnish hashes, etc. [1913 Webster]WordNet (r) 3.0 (2006):
crouton n 1: a small piece of toasted or fried bread; served in soup or salads