'Cayman' definitions:

Definition of 'cayman'

(from WordNet)
noun
A semiaquatic reptile of Central and South America that resembles an alligator but has a more heavily armored belly [syn: caiman, cayman]

Definition of 'Cayman'

From: GCIDE
  • Cayman \Cay"man\ (k[=a]"man), n. [From the language of Guiana: cf. Sp. caiman.] (Zool.) The south America alligator. See Alligator. [Sometimes written caiman.] [1913 Webster]