The Collaborative International Dictionary of English v.0.48:
Ventuse \Ven"tuse\, v. t. & i. See Ventouse. [Obs.] [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Ventouse \Ven"touse\, v. t. & i. To cup; to use a cupping glass. [Obs.] [Written also ventuse.] --Chaucer. [1913 Webster]