Surg. Obs. Also 5 ventosen, -touse, -tuse. [ad. OF. ventouser (13th c.), ventoser (F. ventouser, = Prov. ventosar, It. ventosare), ad. med.L. ventosāre, f. L. ventōsa VENTOSE sb.] trans. To bleed (a patient) by means of a cupping-glass; to apply the cup to (a wound, etc.).
α. c. 1400. Lanfrancs Cirurg., 12. Ventose him on þe two buttokkis, if þat he be feble.
c. 1410. Master of Game (MS. Digby 182), xii. Let þe wounde be ventosed and garsede.
1541. R. Copland, Guydons Quest. Chirurg., N iv b. Howe ought they to [be] gouerned that must be ventosed?
β. c. 1400. Lanfrancs Cirurg., 13. Þe oþere schal not be leten blood ne ventusid.
c. 1440. Astron. Cal. (MS. Ashm. 391). Which places been perlous to ventuse or to kutte in þt tyme.
c. 1440. MS. Linc. A. 1. 17, fol. 301 b. Or elles be ventoused on the thee with a boyste.
b. absol. To practise cupping.
c. 1400. Lanfrancs Cirurg., 51. Þou schalt not lete blood, but þou maist ventosen, if þat it be nessessarie.