TUMEFY Meaning of TUMEFY in English v. (-ies, -ied) 1 intr. swell, inflate; be inflated. 2 tr. cause to do this. tumefacient adj. tumefaction n.[ F tuméfier f. L tumefacere f. tumere swell ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012