The Collaborative International Dictionary of English v.0.48:
Entomologist \En`to*mol"o*gist\, n. [Cf. F. entomologiste.] One versed in entomology. [1913 Webster]WordNet (r) 3.0 (2006):
entomologist n 1: a zoologist who studies insects [syn: entomologist, bugologist, bug-hunter]