/ Dictionary / Index L lobeliaceous: Meaning and Definition of Find definitions for: lo•be•li•a•ceous Pronunciation: (lō-bē"lē-ā'shus), [key] — adj. belonging to the plant family Lobeliaceae. Cf. lobelia family. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lobeliaceous (Thesaurus) lobelia lobelia family Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language