/ Dictionary / Index U uti possidetis: Meaning and Definition of Find definitions for: u•ti pos•si•de•tis Pronunciation: (y'tī pos"i-dē'tis), [key] — Internat. Law. Internat. Law. the principle that vests in either of the belligerents at the end of a war all territory actually occupied and controlled by them. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ut infra* utmost 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