stag

The adult male of various deer, especially the red deer.

An animal, especially a pig, castrated after reaching sexual maturity.

A person who attends a social gathering unaccompanied by a partner, especially a man who is unaccompanied by a woman.

A social gathering for men only.

Of or for men only.

Pornographic.

Unaccompanied.

To attend a social gathering unaccompanied by a partner. Used especially of men.

In commercial slang, to act as a stag on the stock exchange. See stag, n., 2.

To follow warily, as a deer-stalker does a deer; dog; watch