[ca.rouse] n [MF carrousse, fr. carous, adv., all out (in boire carous to empty the cup), fr. G gar aus] (1559) 1 archaic: a large draft of liquor: toast
2: a drunken revel
[2]carouse vb ca.roused ; ca.rous.ing vi (1567) 1: to drink liquor deeply or freely
2: to take part in a carouse: engage in dissolute behavior ~ vt, obs: to drink up: quaff -- ca.rous.er n