/ Dictionary / Index O ornamental: Meaning and Definition of Find definitions for: or•na•men•tal Pronunciation: (ôr"nu-men'tl), [key] — adj. used or grown for ornament: ornamental plants. providing ornament; decorative. of or pertaining to ornament. —n. something ornamental; decoration; adornment. a plant cultivated for decorative purposes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ornamental (Thesaurus) ornament ornamentalism Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language