crenel

n. 雉堞上的凹處、槍眼

vt. 使…成雉堞狀

英文釋義

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.)
2. a notch or open space between two merlons in a crenelated battlement
3. supply with battlements