The Collaborative International Dictionary of English v.0.48:
Hirundinidae \Hirundinidae\ n. A natural family of birds including the swallows and martins. Syn: family Hirundinidae. [WordNet 1.5]WordNet (r) 3.0 (2006):
Hirundinidae n 1: swallows and martins [syn: Hirundinidae, family Hirundinidae]