/ Dictionary / Index S sawfly: Meaning and Definition of Find definitions for: saw•fly Pronunciation: (sô'flī"), [key] — pl. -flies. any of numerous hymenopterous insects of the family Tenthredinidae, the female of which has a sawlike ovipositor for inserting the eggs in the tissues of a host plant. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sawfly (Thesaurus) sawfish sawhorse Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language