/ Dictionary / Index T thread-legged bug: Meaning and Definition of Find definitions for: thread'-leg•ged bug' Pronunciation: (thred'leg"id, -legd"), [key] any of certain insects of the family Reduviidae, characterized by an elongated, slender body and long frail legs, the front pair of which are raptorial. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. threadfish thread-line fishing Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language