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

plural of head.

(nautical) That 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.

Third-person singular simple present indicative form of head

(slang) High-grade marijuana.

plural of heading

plural of headful

An amount of information, emotion, etc. present in the mind.

(genetics) That fills the head of a phage

The chief public representative of a nation having duties, privileges and responsibilities varying greatly depending on the constitutional rules; a monarch in a monarchy, and often styled president in a republic, but variations such as collegiality exist.