• (n.) In insects: The lateral piece behind the episternum. • (n.) In crustaceans: The part of the side of a somite external to the basal joint of each appendage. Found on http://thinkexist.com/dictionary/meaning/epimeron/
E·pim'e·ron noun ; plural Epimera . [ New Latin , from Greek 'epi` upon + ... a part.] (Zoology) (a) In crustaceans: The part of the side of a somite external to the basal joint of each appendage. See Illust. under Crustacea . (b)... Found on http://www.encyclo.co.uk/webster/E/55