elytron(redirected from elytrum)
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n. pl. ely·tra (-trə)
Either of the leathery or chitinous forewings of a beetle or a related insect, serving to encase the membranous hind wings used in flight. Also called wing case.
el′y·troid′ (-troid′) adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005