/ Dictionary / Index F fruit jar: Meaning and Definition of Find definitions for: fruit' jar" Pronunciation: [key] a glass jar for preserving fruit or vegetables, usually holding one pint or one quart and having an airtight cap. Cf. Mason jar. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fruitive fruit knife Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language