Webster's Revised Unabridged Dictionary · 1913

Punk

Punk , noun

[Compare Spunk.]

1.
Wood so decayed as to be dry, crumbly, and useful for tinder; touchwood.
2.
A fungus (Polyporus fomentarius, etc.) sometimes dried for tinder; agaric.
3.
An artificial tinder. See Amadou, and Spunk.
4.
A prostitute; a strumpet. [Obsolescent] — Shakespeare