/ Dictionary / Index U unicolor: Meaning and Definition of Find definitions for: u•ni•col•or Pronunciation: (y"ni-kul'ur, y'ni-kul"-), [key] — adj. having only one color. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. unicellulate unicorn Related Content Daily Word Quiz: miscreant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language