Piragua. Large canoe of Central America.
Pirates. Robbers of a ship, not necessarily on the high seas. Includes mutinous passengers, and robbers who attack from the shore.
Pirogue. Form of 'Piragua'.
Pitch. Dark-coloured solid obtained from distillation of tar. Has a low melting point and is insoluble in water. Used for paying of deck seams and stopping of small leaks.
Pitch of Propeller. Distance vessel would advance with one turn of propeller if there were no slip. Also applied to angle that propeller blade makes with propeller shaft. It is this pitch which produces propulsion of ship.
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