The Collaborative International Dictionary of English v.0.48:

Carib \Car"ib\, n.; pl. Caries. [See Cannibal.] (Ethol.)
   A native of the Caribbee islands or the coasts of the
   Caribbean sea; esp., one of a tribe of Indians inhabiting a
   region of South America, north of the Amazon, and formerly
   most of the West India islands.
   [1913 Webster] Caribbean

WordNet (r) 3.0 (2006):

Carib
    n 1: a member of an American Indian peoples of northeastern
         South America and the Lesser Antilles [syn: Carib, Carib
         Indian]
    2: the family of languages spoken by the Carib [syn: Carib,
       Caribbean language]