ventouse noun 2verb 1forms 3 noun2 •A suction cup-like device used on a baby's head to assist in difficult childbirths. •(no longer used) A cupping glass.[I]t commeth at length to fall upon the flesh which the ventose sticketh fast unto, and by heating and inchafing, it expresseth the humor that is within, into the ventose or cupping vessel. — 1603 verb1 •(no longer used) To cup; to use a cupping glass. formsventoused · ventousing · ventouses