n.

1. 【动】（产于美国及中国的）短吻鳄[C]
2. 短吻鳄皮（革）[U]
3. 鳄口式工具（或机器）[C]

n.

1. a large semiaquatic reptile similar to a crocodile but with a broader and shorter head, native to the Americas and China. [Genus Alligator: two species.]
2. the skin of the alligator.