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“crenel”
crenel, crenelle
1. A notch or open space between two merlons in a crenelated battlement or a gap in the top of a castle wall or parapet, used for firing missiles or shooting.
2. 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. 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.).