n. & v.
n. propr. a vacuum cleaner (properly one made by the Hoover company).
v. (hoover) 1 tr. (also absol.) clean (a carpet etc.) with a vacuum cleaner. 2 (foll. by up) a tr. suck up with or as with a vacuum cleaner (hoovered up the crumbs). b absol. clean a room etc. with a vacuum cleaner (decided to hoover up before they arrived).
[ W. H. Hoover, Amer. manufacturer d. 1932 ]