/ Dictionary / Index S sphecid: Meaning and Definition of Find definitions for: sphe•cid Pronunciation: (sfē'sid), [key] — adj. belonging or pertaining to the Sphecidae, a family of solitary wasps, including the mud daubers, sand wasps, etc. —n. a sphecid wasp. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. S phase sphen- Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language