meaning of crenature
1. A rounded tooth or notch of a crenate leaf, or any part that is crenate; -- called also crenelle.
2. The state of being crenated or notched.
3. 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.