/ Dictionary / Index A agistment: Meaning and Definition of Find definitions for: a•gist•ment Pronunciation: (u-jist'ment), [key] — n. Obs. the act of agisting. a contract or an agreement to agist. the fee paid or the profit made in agisting. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. agist agit. Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language