1. 鳄鱼
A crocodile is a large reptile with a long body and strong jaws. Crocodiles live in rivers and eat meat.

2. (尤指小学生排成的)长队;（行进车辆排成的）长蛇阵
A crocodile of people, especially school children, or vehicles is a long line of them, moving together.

1. large voracious aquatic reptile having a long snout with massive jaws and sharp teeth and a body covered with bony plates
of sluggish tropical waters