-ə.ˌträn noun
also hem·el·y·trum -ə.trəm
( plural hemely·tra -ə.trə)
Etymology: New Latin, from hem- (from hemi- ) + elytron or elytrum
1. : one of the basally thickened anterior wings of various insects (as of Hemiptera)
2. : one of the elytra of a chaetopod worm