The Collaborative International Dictionary of English v.0.48:
Lutrinae \Lutrinae\ n. A subdivision of mammals including the otters; it is not used in some classifications. Syn: subfamily Lutrinae. [WordNet 1.5]WordNet (r) 3.0 (2006):
Lutrinae n 1: subdivision not used in some classifications: otters [syn: Lutrinae, subfamily Lutrinae]