or CRENATED (Lat. crena, a notch), in Botany, is applied to a leaf which has its edges serrated or scalloped. The diminutive crenulate is used by Linnæus in the same sense. It is also applied to the fine saw-like edges of shells, as exemplified in the cockle.

CRENELLED, in Architecture, embattled, notched, or indented, as in the mouldings of Norman buildings. Crenelles are the openings in an embattled parapet.