Portoise. The gunwale. The yards are a-portoise when they rest on the gunwale.
Port-sills. (See Sills.)
Preventer. An additional rope or spar, used as a support.
Prick. A quantity of spunyarn or rope laid close up together.
Pricker. A small marlinspike, used in sail-making. It generally has a wooden handle.
Puddening. A quantity of yarns, matting or oakum, used to prevent chafing.
Pump-brake. The handle to the pump.
Purchase. A mechanical power which increases the force applied.
To purchase, is to raise by a purchase.
Quarter. The part of a vessel's side between the after part of the main chains and the stern. The quarter of a yard is between the slings and the yard-arm.