/ Dictionary / Index R rarebit: Meaning and Definition of Find definitions for: rare•bit Pronunciation: (râr'bit), [key] — n. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rarebit (Thesaurus) rare rare book Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language