What is the meaning of Heads?

A shouted warning that something is falling from above, mind your heads; heads-up.

plural of head.

The part of older sailing ships forward of the forecastle and around the beak, used by the crew as their lavatory; still used as the word for toilets on a ship.

One side of a coin: The side that bears the picture of the head of state or other national symbol.

The side that bears the picture of the head of state or other national symbol.

The side that does not bear an image of the Irish harp.

Clipping of headphones.

The draft scheme of a bill before it is formally introduced to a parliament.

Tiles laid at the eaves of a house.

third-person singular simple present indicative of head

High-grade marijuana.

Source: Wiktionary