[1] : The Collaborative International Dictionary of English v.0.48

carouse \carouse"\ k.arouz", n. f. carrousse, earlier
   carous, fr. g. garaus finishing stroke, the entire emptying
   of the cup in drinking a health; gar entirely + aus out. see
   yare, and out.
   1. a large draught of liquor. obs. "a full carouse of
      sack." --sir j. davies.
      1913 webster

            drink carouses to the next day's fate. --shak.
      1913 webster

   2. a drinking match; a carousal.
      1913 webster

            the early feast and late carouse.     --pope.
      1913 webster
see also:
yare out 

[2] : The Collaborative International Dictionary of English v.0.48

carouse \carouse"\, v. i. imp.  p. p. caroused; p. pr. 
   vb. n. carousing.
   to drink deeply or freely in compliment; to take part in a
   carousal; to engage in drunken revels.
   1913 webster

         he had been aboard, carousing to his mates. --shak.
   1913 webster
see also:
caroused carousing 

[3] : The Collaborative International Dictionary of English v.0.48

carouse \carouse"\ v. t.
   to drink up; to drain; to drink freely or jovially. archaic
   1913 webster

         guests carouse the sparkling tears of the rich grape.
                                                  --denham.
   1913 webster

         egypt's wanton queen,
         carousing gems, herself dissolved in love. --young.
   1913 webster

[4] : WordNet (r) 2.0

carouse
     n : revelry in drinking; a merry drinking party syn: carousal,
          bender, toot, booze-up
     v : engage in boisterous, drunken merry-making; "they were out
         carousing last night" syn: roister, riot
see also:
carousal bender toot booze-up roister riot 

[5] : Moby Thesaurus II by Grady Ward, 1.0

83 moby thesaurus words for "carouse":
   bacchanal, bacchanalia, bacchanalian, bat, bender, binge, booze,
   boozer, bout, brannigan, bust, carousal, celebrate, celebration,
   compotation, create a disturbance, create a riot, cut loose,
   debauch, debauchery, debauchment, dissipate, dissipation,
   drinking bout, drunk, drunken carousal, escapade, fling,
   free living, frolic, go berserk, guzzle, hell, hell around,
   high living, jag, jollify, jolly, killing pace, lark, let go,
   let loose, let off steam, licentiousness, live hard,
   make a commotion, make an ado, make merry, make trouble,
   make whoopee, not, orgy, party, ploy, plunge into dissipation,
   potation, pub-crawl, raise a ruckus, raise a rumpus, raise a storm,
   raise hell, randan, randy, revel, riot, riotous living, roil,
   roister, run amok, run riot, run wild, saturnalia, see life,
   skylark, spree, step out, symposium, tear, toot, wanton, wassail,
   whoop it up, wingding

Carouse >> C Words
Carouse, definition of term: Carouse
carouse_pag1.html