The Collaborative International Dictionary of English v.0.48:
Megachile \Meg"a*chile\, n. [Mega- + Gr. ? lip.] (Zool.) A leaf-cutting bee of the genus Megachilus. See Leaf cutter, under Leaf. [1913 Webster]WordNet (r) 3.0 (2006):
Megachile n 1: type genus of the Megachilidae: leaf-cutting bees [syn: Megachile, genus Megachile]