crocodile

Từ điển Oxford Advanced Learner 8th

croco·dile [crocodile crocodiles] BrE [ˈkrɒkədaɪl] NAmE [ˈkrɑːkədaɪl] (also informal croc) noun
1. countable a large ↑reptile with a long tail, hard skin and very big ↑jaws. Crocodiles live in rivers and lakes in hot countries.
2. uncountable crocodile skin made into leather
•crocodile shoes
3. countable (BrE)a long line of people, especially children, walking in pairs
•a school crocodile
Idiom: ↑crocodile tears
See also: ↑croc

Word Origin:
Middle English cocodrille, cokadrill, from Old French cocodrille, via medieval Latin from Latin crocodilus, from Greek krokodilos ‘worm of the stones’, from krokē ‘pebble’ + drilos ‘worm’. The spelling was changed in the 16th cent. to conform with the Latin and Greek forms.