gator
noun /ˈɡeɪtə(r)/
/ˈɡeɪtər/
(North American English, informal)- alligator (= 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)
鳄鱼 词源mid 19th cent.: shortened form.