The Collaborative International Dictionary of English v.0.48:
Lymantriidae \Lymantriidae\ n. The natural family comprising the tussock moths. Syn: family Lymantriidae. [WordNet 1.5]WordNet (r) 3.0 (2006):
Lymantriidae n 1: tussock moths [syn: Lymantriidae, family Lymantriidae]