The Collaborative International Dictionary of English v.0.48:
Holometabola \Hol`o*me*tab"o*la\, n. pl. [NL. See Holo-, and Metabola.] (Zool.) Those insects which have a complete metamorphosis; metabola. [1913 Webster]WordNet (r) 3.0 (2006):
holometabola n 1: insects that undergo complete metamorphosis [syn: holometabola, metabola]