'Dimera' definitions:

Definition of 'Dimera'

From: GCIDE

Dimera \Dim"e*ra\, n. pl. [NL., fr. Gr. di- = di`s- twice + ? part.] (Zool.) (a) A division of Coleoptera, having two joints to the tarsi. (b) A division of the Hemiptera, including the aphids. [1913 Webster]