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

caribbean \car`ibbe"an\, caribbee \car`ibbee\, a.
   of or pertaining to the caribs, to their islands the eastern
   and southern west indies, or to the sea called the
   caribbean sea lying between those islands and central
   america.
   1913 webster

[2] : WordNet (r) 2.0

caribbean
     n 1: an arm of the atlantic ocean between north and south
          america; the origin of the gulf stream syn: caribbean
          sea
     2: region including the caribbean islands
see also:
caribbean sea 

Caribbean >> C Words
Caribbean, definition of term: Caribbean
caribbean_pag1.html

Caribbean Sea >> C Words
Caribbean Sea, definition of term: Caribbean Sea
caribbean+sea_pag1.html