a large reptile similar to a crocodile, with a long tail, hard skin and very big jaws, that lives in rivers and lakes in North and South America and China Topics Animalsc1钝吻鳄 Oxford Collocations DictionaryAlligator is used before these nouns:- clip
Word Originlate 16th cent.: from Spanish el lagarto ‘the lizard’, probably based on Latin lacerta.