Meaning of scorpionfly

scor•pi•on•fly

Pronunciation: (skôr'pē-un-flī"), [key]
— pl. -flies.
  1. any of several harmless insects of the order Mecoptera, the male of certain species having a reproductive structure that resembles the sting of a scorpion.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.