denticulation

from The Collaborative International Dictionary of English v.0.48

Denticulation \Den*tic`u*la"tion\, n.
   1. The state of being set with small notches or teeth.
      --Grew.
      [1913 Webster]

   2. (Bot. & Zool.) A diminutive tooth; a denticle.
      [1913 Webster]