Hellgamite
Pronunciation : Hell"ga*mite, Hell"gra*mite
Part of Speech : n.
Definition : Defn: The aquatic larva of a large American winged insect (Corydalus cornutus), much used a fish bait by anglers; the dobson. It belongs to the Neuroptera.
(Zo?l.)
Source : Webster's Unabridged Dictionary, 1913