Definitions:
the upper part of the human body, or the front or upper part of the body of an animal, typically separated from the rest of the body by a neck, and containing the brain, mouth, and sense organs.

a thing resembling a head either in form or in relation to a whole.

the front, forward, or upper part or end of something.

a person in charge of something; a director or leader

a person considered as a numerical unit

a component in an audio, video, or information system by which information is transferred from an electrical signal to the recording medium, or vice versa.

a body of water kept at a particular height in order to provide a supply at sufficient pressure

a toilet on a ship or boat

the word that governs all the other words in a phrase in which it is used, having the same grammatical function as the whole phrase.

a superficial deposit of rock fragments, formed at the edge of an ice sheet by repeated freezing and thawing and then moved downhill.

a group of pheasants

chief; principal

be in the leading position on

give a title or caption to

move in a specified direction

shoot or pass (the ball) with the head

lop off the upper part or branches of (a plant or tree)

(of a lettuce or cabbage) form a head.