Learn how to say Crocodiles correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word crocodile:
any large tropical reptile, such as C. niloticus (African crocodile), of the family Crocodylidae: order Crocodilia (crocodilians). They have a broad head, tapering snout, massive jaws, and a thick outer covering of bony plates
any other reptile of the order Crocodilia; a crocodilian
leather made from the skin of any of these animals
(as modifier) ⇒ crocodile shoes
(British, informal) a line of people, esp schoolchildren, walking two by two