Synonym of top note (“most volatile parts of a perfume”) / Alternative spelling of headnote (“a summary or remark at the beginning”)

(mining, archaic) A horizontal channel providing ventilation in a mine.

The gilt-head bream.

Alternative form of polehead

Alternative form of polehead

Alternative form of screwhead.

(slang, derogatory) Someone who smokes sherms (cigarettes dipped in phencyclidine (PCP)), which can damage his or her brain.

A large, clumsy head; a blockhead; a dunce.

present participle of hit the head

(sciences) A clamp with two thumbscrews for holding two rods at a right angle to each other, for attaching laboratory equipment to a retort stand.