Third-person singular simple present indicative form of head

plural of head.

(slang) High-grade marijuana.

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

(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.

Facing one another. / Directly, one-to-one.

Direct, one-to-one.

In a very close one-on-one situation.

(genetics) That fills the head of a phage

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