What is the meaning of Croc?

A crocodile.

A type of EVA foam slip-on clog-style shoe with an open heel, thick sole, rounded toe, retractable heel strap, and ventilation holes on the top and sides.

hook

fang

croc

crunch

alternative form of croca (“crock, earthenware jar”)

alternative form of crocc

hook

a hook-shaped weapon

grappling hook

croc (type of shoe)

Source: wiktionary.org