枪眼与枪眼之间的墙壁
Merlon \Mer"lon\, n. [F., perh. fr. L. moerus, for murus a wall, through (assumed) dim. moerulus.] (Fort.) One of the solid parts of a battlemented parapet; a battlement. See Illust. of {Battlement}.
merlon n : a solid section between two crenels in a crenelated battlement