/ Dictionary / Index U uniplanar: Meaning and Definition of Find definitions for: u•ni•pla•nar Pronunciation: (y"nu-plā'nur), [key] — adj. confined to a single plane or two-dimensional continuum: uniplanar motion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. unipetalous unipod Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language