/ Dictionary / Index H harvest index: Meaning and Definition of Find definitions for: har'vest in"dex Pronunciation: [key] — Agric. Agric. a measurement of crop yield: the weight of a harvested product as a percentage of the total plant weight of a crop. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. harvest home harvestman Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language