having tiny notches or scallops, as some leaves or shells
Origin of crenulateModern Latin crenulatus from crenula, diminutive from Vulgar Latin crena, a notch, groove
Having a margin or contour with shallow, usually rounded notches and projections; finely notched or scalloped: a crenulate leaf; a crenulate coastline.
Origin of crenulateNew Latin crēnulātus from crēnula diminutive of Medieval Latin crēna notch
(comparative more crenulate, superlative most crenulate)