crenels

'crenels'

[scallop.n.01] as in: 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.)

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'crenels'

[crenel.n.02] as in: a notch or open space between two merlons in a crenelated battlement

'crenels'

[crenel.v.01] as in: supply with battlements