a. Of the nature of, or relating to, a node; as, a nodal point. [ 1913 Webster ]

Nodal line,
Nodal point, in a vibrating plate or cord, that line or point which remains at rest while the other parts of the body are in a state of vibration. [ 1913 Webster ]

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 ]

n. [ L. nodatio knottiness. ] Act of making a knot, or state of being knotted. [ R. ] [ 1913 Webster ]