What does "toothed" mean?

Toothed: (Bot. & Zoöl.) Having marginal projecting points; dentate. Toothed whale (Zoöl.), 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.