Definition of alligator noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈælɪɡeɪtə(r)//
; NAmE NAmE//ˈælɪɡeɪtər//
Amphibians and reptiles
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a large reptile similar to a crocodile, with a long tail, hard skin and very big jaws, that lives in rivers and lakes in N and S America and China See related entries: Amphibians and reptiles Word Originlate 16th cent.: from Spanish el lagarto ‘the lizard’, probably based on Latin lacerta.
See the Oxford Advanced American Dictionary entry: alligator