Horntail
Pronunciation : Horn"tail`
Part of Speech : n.
Definition : Defn: Any one of family (Urocerid?) of large hyminopterous insects, allied to the sawflies. The larv? bore in the wood of trees. So called from the long, stout ovipositors of the females.
(Zo?l.)
Source : Webster's Unabridged Dictionary, 1913