The Collaborative International Dictionary of English v.0.48:

Toothed \Toothed\, a.
   1. Having teeth; furnished with teeth. "Ruby-lipped and
      toothed with pearl." --Herrick.
      [1913 Webster]

   2. (Bot. & Zool.) Having marginal projecting points; dentate.
      [1913 Webster]

   Toothed whale (Zool.), any whale of the order Denticete.
      See Denticete.

   Toothed wheel, a wheel with teeth or projections cut or set
      on its edge or circumference, for transmitting motion by
      their action on the engaging teeth of another wheel.
      [1913 Webster]

WordNet (r) 3.0 (2006):

toothed wheel
    n 1: a wheel with teeth for making a row of perforations [syn:
         roulette, toothed wheel]