denticulate

from WordNet (r) 3.0 (2006)

denticulate
    adj 1: having a very finely toothed margin

from The Collaborative International Dictionary of English v.0.48

Denticulate \Den*tic"u*late\, Denticulated \Den*tic"u*la`ted\,
   a. [L. denticulatus, fr. denticulus. See {Denticle}.]
   Furnished with denticles; notched into little toothlike
   projections; as, a denticulate leaf of calyx. --
   {Den*tic"u*late*ly}, adv.
   [1913 Webster]