/ Dictionary / Index M multinominal: Meaning and Definition of Find definitions for: mul•ti•nom•i•nal Pronunciation: (mul"ti-nom'u-nl), [key] — adj. having several or many names. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. multinomial multipack Related Content Daily Word Quiz: tranquil Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language