What is the meaning of Cronk?

To honk like a goose.

The honking sound of a goose.

Unwell, sick.

Of a horse, broken down, not useful as a work horse due to illness or infirmity.

Illegal; dishonest.

No good; bad.

A hill or barrow.

hill

mount

tor

crank (handle for moving a crankshaft).

Source: wiktionary.org