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

The Collaborative International Dictionary of English v.0.48:

Caries \Ca"ri*es\, n. [L., decay.] (Med.)
   Ulceration of bone; a process in which bone disintegrates and
   is carried away piecemeal, as distinguished from necrosis, in
   which it dies in masses.
   [1913 Webster]

WordNet (r) 3.0 (2006):

caries
    n 1: soft decayed area in a tooth; progressive decay can lead to
         the death of a tooth [syn: cavity, caries, dental
         caries, tooth decay]

Moby Thesaurus II by Grady Ward, 1.0:

27 Moby Thesaurus words for "caries":
   carrion, decay, decomposition, dry gangrene, dry rot, foulness,
   gangrene, gas gangrene, moist gangrene, mortification, necrosis,
   necrotic tissue, noma, putrefaction, putrescence, putridity,
   putridness, rancidity, rancidness, rankness, rot, rottenness,
   slough, sphacelation, sphacelus, spoilage, tooth decay