/ Dictionary / Index P patent ambiguity: Meaning and Definition of Find definitions for: pat'ent ambigu'ity Pronunciation: [key] — Law. Law. uncertainty of meaning created by the obscure or ambiguous language appearing on the face of a written instrument. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. patent patentee 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