The Collaborative International Dictionary of English v.0.48:
Gasterophilus \Gasterophilus\ n. The type genus of the Gasterophilidae, comprising the horse botflies. Syn: genus Gasterophilus. [WordNet 1.5]WordNet (r) 3.0 (2006):
Gasterophilus n 1: type genus of the Gasterophilidae: horse botflies [syn: Gasterophilus, genus Gasterophilus]