/ Dictionary / Index P plant food: Meaning and Definition of Find definitions for: plant' food" Pronunciation: [key] nourishment, as fertilizer or chemicals, for plants. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. planter's punch planthopper Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language