/ Dictionary / Index P predicate nominative: Meaning and Definition of Find definitions for: pred'icate nom'inative Pronunciation: [key] (in Latin, Greek, and certain other languages) a predicate noun or adjective in the nominative case. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. predicate calculus predicate noun Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language