v. & n.
v. 1 intr. talk wildly or furiously in or as in delirium. 2 intr. (usu. foll. by about, of, over) speak with rapturous admiration; go into raptures. 3 tr. bring into a specified state by raving (raved himself hoarse). 4 tr. utter with ravings (raved their grief). 5 intr. (of the sea, wind, etc.) howl, roar. 6 tr. & intr. colloq. enjoy oneself freely ( esp. rave it up).
n. 1 (usu. attrib.) colloq. a highly enthusiastic review of a film, play, etc. (a rave review). 2 sl. an infatuation. 3 (also rave-up) colloq. a lively party. 4 the sound of the wind etc. raving.
[ ME, prob. f. ONF raver, rel. to (M)LG reven be senseless, rave ]