crenelle
英
美
网络 枪眼; 炮门; 堡眼
英英释义
noun
- a notch or open space between two merlons in a crenelated battlement
Synonym: crenel
- 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.)