evenly notched; indented.

having the margin cut into rounded scallops

scalloped edge.

having a margin with small rounded teeth; "a crenulate leaf"

toothed, scalloped or with a series of notches

Having very small rounded teeth.

a wavy line or edge in which the troughs are wider than the peaks.

minutely scalloped.

An indented or wavy SHORELINE beach form, with the regular seaward- pointing parts rounded rather than sharp, as in the CUSPATE type.

(or crenulated): having a margin which is finely notched, scalloped, embayed, or incised in a regular pattern (not just randomly eroded). Examples might include the stellate ornamentation of the gold paper seal on a high school diploma or the wavy lateral margins of a store-bought cupcake -- both designed to impart a sense of importance and refinement to an otherwise and unfulfilling product.