D defs.my
Entry 1 sense Webster, 1913

Merlon

· Mer·lon · IPA /ˈmɝl(ə)n/
01 n. One of the solid parts of a battlemented parapet; a battlement. See Illust. of Battlement.
  1. 1.
    One of the solid parts of a battlemented parapet; a battlement. See Illust. of Battlement.(Fort.) See: Battlement