/ Dictionary / Index C cucumber mosaic: Meaning and Definition of Find definitions for: cu'cumber mosa"ic Pronunciation: [key] — Plant Pathol. Plant Pathol. a viral disease of cucumbers and many other plants, characterized by a mosaic pattern and distortion of leaves and fruits. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cucumber beetle cucumber root Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language