/ Dictionary / Index F fossula: Meaning and Definition of Find definitions for: fos•su•la Pronunciation: (fos'yu-lu), [key] — pl. -lae a small fossa. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fossorial foster Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language