/ Dictionary / Index F foliose: Meaning and Definition of Find definitions for: fo•li•ose Pronunciation: (fō'lē-ōs"), [key] — adj. leafy. having a leaflike thallus loosely attached to a surface, as certain lichens. Cf. crustose, fruticose. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: foliose (Thesaurus) foliole -folious Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language