The Collaborative International Dictionary of English v.0.48:
Myrmeleon \Myrmeleon\ prop. n. The type genus of the Myrmeleontidae, including the antlions. Syn: genus Myrmeleon. [WordNet 1.5]WordNet (r) 3.0 (2006):
Myrmeleon n 1: type genus of the Myrmeleontidae: antlions [syn: Myrmeleon, genus Myrmeleon]