Hemelytron \Hem*el"y*tron\ (? or ?), Hemelytrum \Hem*el"y*trum\
(-tr[u^]m cf. {Elytron}, 277),, n.; pl. {Hemelytra}. [NL. See
{Hemi}, and {Elytron}.] (Zool.)
One of the partially thickened anterior wings of certain
insects, as of many Hemiptera, the earwigs, etc.
[1913 Webster]