/ Dictionary / Index K ketch: Meaning and Definition of Find definitions for: ketch Pronunciation: (kech), [key] — n. Naut. a sailing vessel rigged fore and aft on two masts, the larger, forward one being the mainmast and the after one, stepped forward of the rudderpost, being the mizzen or jigger. Cf. yawl (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ketch (Thesaurus) ketamine Ketchikan Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language