Es"tu*ate (?), v. i. [imp. & p. p. Estuated (?); p. pr. & vb. n. Estuating.] [L. aestuare to be in violent motion, to boil up, burn, fr. aestus boiling or undulating motion, fire, glow, heat; akin to Gr.&?; to burn. See Ether.] To boil up; to swell and rage; to be agitated. Bacon.