Privateer

Privateer, a private vessel licensed by Government under a letter of marque to seize and plunder the ships of an enemy, otherwise an act of the kind is treated as piracy.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Prisoner of Chillon * Privy Council
Prince of Peace
Princeton
Pringle, Thomas
Printed Paper
Prinzenraub
Prior, Matthew
Priscian
Priscillian
Prismatic colours
Prisoner of Chillon
Privateer
Privy Council
Privy Seal
Probus, Marcus Aurelius
Proclus
Proconsul
Procop
Procopius
Procrustes
Procter, Bryan Walter
Proctor, Richard Antony