/ Dictionary / Index S solanaceous: Meaning and Definition of Find definitions for: sol•a•na•ceous Pronunciation: (sol"u-n?'shus), [key] ? adj. belonging to the Solanaceae, the nightshade family of plants. Cf. Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease. See also: solanaceous (Thesaurus) solan solander Related Content Daily Word Quiz: abdicate Analogy of the Day: Today?s Analogy Spelling Bee: Today?s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language