a. Obs. rare–1. [ad. L. æstulant-em pr. pple. of æstuāre to burn, be inflamed.] Boiling; heaving with heat.
1633. T. Adams, Exp. 2 Pet. ii. 10 (1865), 419/1. Not that every tickling should draw us to marrying; but a burning, an æstuant flame.
