† enˈtreatiseObs. In 5 entreatyse, -ze. [f. entreat v., after the analogy of treatise.] = entreaty. a. Treatment. b. Negotiation. 1494Fabyan v. cxxvii. 108 They..by fayre entreatyze contentyd..the fader.Ibid. vi. clvi. 144 Alcinnus was not sent for any entreatyse of peace.