ultroneous Meaning, Definition & Usage

Ul*tro"ne*ous adjective
Etymology
L. ultroneus, from ultro to the further side, on his part, of one's own accord. See Ultra-.
Definitions
  1. Spontaneous; voluntary. Obs. Jer. Taylor. -- Ul*tro"ne*ous*ly, adv. Obs. -- Ul*tro"ne*ous*ness, n. Obs.

Webster 1913