crenate

from WordNet (r) 3.0 (2006)

crenate
    adj 1: having a margin with rounded scallops [syn: {crenate},
           {crenated}, {scalloped}]

from The Collaborative International Dictionary of English v.0.48

Crenate \Cre"nate\ (kr[=e]"n[asl]t), Crenated \Cre"na*ted\
   (kr[=e]"n[asl]*t[e^]d), a. [L. crena notch. See {Cranny}.]
   (Bot.)
   Having the margin cut into rounded teeth notches, or
   scallops.
   [1913 Webster]