/ Dictionary / Index S spheroidal: Meaning and Definition of Find definitions for: sphe•roi•dal Pronunciation: (sfi-roid'l), [key] — adj. pertaining to a spheroid or spheroids. shaped like a spheroid; approximately spherical. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: spheroidal (Thesaurus) spheroid spheroidicity Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language