/ Dictionary / Index A acre-foot: Meaning and Definition of Find definitions for: a•cre-foot Pronunciation: (ā'kur-foot'), [key] — n. a unit of volume of water in irrigation: the amount covering one acre to a depth of one foot, equal to 43,560 cubic feet. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: acre-foot (Thesaurus) acred acre-inch Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language