Cayman definitions

Webster's 1828 Dictionary

CAYMAN, n. An animal of the genus Lacerta, found in the West Indies, the alligator.

WordNet (r) 3.0 (2005)

n
1: a semiaquatic reptile of Central and South America that resembles an alligator but has a more heavily armored belly [syn: caiman, cayman]

Merriam Webster's

variant of caiman

Oxford Reference Dictionary

n. (also caiman) any of various S. American alligator-like reptilians, esp. of the genus Caiman. Etymology: Sp. & Port. caiman, f. Carib acayuman

Webster's 1913 Dictionary

Cayman Cay"man (k[=a]"man), n. [From the language of Guiana: cf. Sp. caiman.] (Zo["o]l.) The south America alligator. See Alligator. [Sometimes written caiman.]

Soule's Dictionary of English Synonyms

n.; (also caiman) Alligator.