/ Dictionary / Index S spontoon: Meaning and Definition of Find definitions for: spon•toon Pronunciation: (spon-tn'), [key] — n. a shafted weapon having a pointed blade with crossbar at its base, used by infantry officers in the 17th and 18th centuries. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. spontaneous generation spoof Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language