What is the meaning of Conk?

The shelf- or bracket-shaped fruiting body of a bracket fungus (also called a shelf fungus), i.e. a mushroom growing off a tree trunk.

A nose, especially a large one.

Alternative spelling of conch

To hit, especially on the head.

A hairstyle involving the chemical straightening and styling of kinky hair.

To chemically straighten tightly curled hair.

To fail or show signs of failing, cease operating, break down.

To become unconscious.

Source: wiktionary.org