v. Obs. rare. [f. L. vigilāt-, ppl. stem of vigilāre to remain awake.] intr. To be wakeful or sleepless. Hence † Vigilating ppl. a.
1758. Phil. Trans., L. 517. The flowers are in their expanded or vigilating state from five or six in the morning till about ten.
1774. Westm. Mag., II. 184. If the same quantity be given to a person … who is heated with exercise, instead of producing sleep it will cause him to vigilate.
