/ Dictionary / Index R rat cheese: Meaning and Definition of Find definitions for: rat' cheese" Pronunciation: [key] — Informal. Informal. inexpensive cheese, esp. domestic cheddar. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ratch ratchet Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language