The Collaborative International Dictionary of English v.0.48:
Nodated \No"da*ted\, a. [L. nodatus, p. p. of nodare to make knotty, fr. nodus knot. See Node.] Knotted. [1913 Webster] Nodated hyperbola (Geom.), a certain curve of the third order having two branches which cross each other, forming a node. [1913 Webster]