/ Dictionary / Index F florists' foam: Meaning and Definition of Find definitions for: flo'rists' foam' Pronunciation: [key] a rigid, deformable, spongelike plastic used in floral arrangements to secure the stems of flowers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. floristic -florous Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language