gaff

noun

1. 1.

   A large hook attached to a pole, used for landing large fish.

2. 2.

   (nautical) A spar to which the head of a fore-and-aft sail is bent.

3. 3.

   (British slang) A person's home or residence.

4. 4.

   (idiom) "Blow the gaff": to reveal a secret or expose a deception.