(historical) Any of a collection of financial records maintained by the English Exchequer and its successors, the earliest dating from the 12th century.

(aviation) A pipe on a VTOL aircraft that expels compressed air in order to stabilize the craft.

plural of puff pipe

(medicine, slang) An artery.

plural of blue pipe

plural of red pipe

(medicine, slang) A vein.

(historical) A person employed by the English Exchequer and its successors to work in the pipe office maintaining the pipe rolls on which government income and expenditure were recorded.

(historical) An office in the Court of Exchequer in which the clerk of the pipe made out crown-land leases.

plural of clerk of the pipe