/ Dictionary / Index P pattypan squash: Meaning and Definition of Find definitions for: pat'ty•pan squash" Pronunciation: (pat'i-pan"), [key] a flat, whitish variety of squash, Cucurbita pepo melopepo, having a scalloped edge. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. patty pan patty shell Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language