| n. | 1. | See Crenelle. |
| Noun | 1. | 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.) |
| 2. | crenel - a notch or open space between two merlons in a crenelated battlement Synonyms: crenelle | |
| Verb | 1. | crenel - supply with battlements Synonyms: crenelate, crenellate |