crenel

名词 crenel:

1. one of a series of rounded projections (or the notches between them) formed by curves along an edge (as the edge of a leaf or piece of cloth or the margin of a shell or a shriveled red blood cell observed in a hypertonic solution etc.)
   同义词：scallop, crenation, crenature, crenelle
2. a notch or open space between two merlons in a crenelated battlement
   同义词：crenelle

动词 crenel:

1. supply with battlements
   同义词：crenelate, crenellate

cren.el

n.（名词）
An open space or notch between two merlons in a battlement or crenelated wall.
枪眼、垛口：在城垛或有城垛的墙上，两个城齿之间的开阔空间或切口
A crenature.
叶缘锯齿：叶缘的钝锯齿状突出

来源：
Middle English
Middle English
from Old French * see crenelated
from Old French *参见 crenelated