Source : Webster's Revised Unabridged Dictionary (1913)

Hymenopter \Hy`me*nop"ter\, n. [Cf. F. hym['e]nopt[`e]re.]
   (Zo["o]l.)
   One of the Hymenoptera.

Source : WordNet®

hymenopter
     n : insects having two pairs of membranous wings and an
         ovipositor specialized for stinging or piercing [syn: {hymenopterous
         insect}, {hymenopteran}, {hymenopteron}]