/ Dictionary / Index C cognac: Meaning and Definition of Find definitions for: co•gnac Pronunciation: (kōn'yak, kon'- Fr. kô&sylpnyak'), [key] — n. (often cap.) the brandy distilled in and shipped from the legally delimited area surrounding the town of Cognac, in W central France. any French brandy. any good brandy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cognac (Thesaurus) cog locomotive cognate Related Content Daily Word Quiz: pedagogy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language