Definitions
1.verbTo make a croak.
2.verbTo utter in a low, hoarse voice.
3.verb(of a frog, toad, raven, or various other birds or animals) To make its cry.
4.verbTo die.
5.verbTo kill someone or something."He'd seen my face, so I had to croak him."
6.verbTo complain; especially, to grumble; to forebode evil; to utter complaints or forebodings habitually.