/ Dictionary / Index M merlon: Meaning and Definition of Find definitions for: mer•lon Pronunciation: (mûr'lun), [key] — n. (in a battlement) the solid part between two crenels. See illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: merlon (Thesaurus) merlin Merlot Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language