(sometimes derogatory) Used to form words for people who regularly have their mind focused upon a particular subject, activity, or a specified drug or other substance, or who are addicted in some way.

(transitive) To be in command of. (See also head up.) / (transitive) To come at the beginning or front of; to commence. / (transitive) To strike with the head; as in soccer, to head the ball

(people) To do with heads. / (animals) To do with heads. / The end of a table. / (countable) The principal operative part of a machine or tool.

Foremost in rank or importance. / Placed at the top or the front. / Coming from in front.

Of, relating to, or intended for the head.

(genetics) That fills the head of a phage

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

plural of headful

Third-person singular simple present indicative form of head

plural of head.