Parsi India/Middle East A member of a prosperous Zoroastrian community, originating in Persia, whose members were often found on India's west coast.
Patel India A farmer
Pidgen Naval The word "Pidgin" is Chinese for "Business"; thus "Pidgin-English" means "Business English" and the expression "Not my pidgin" means "No concern of mine".
Pir India A Muslim spiritual guide
Plimsoll Line Naval
The mark on the side of a merchant ship to denote the greatest depth to which the ship may be loaded, under various conditions, in accordance with the Ministry of Transport regulations. Samuel Plimsoll, M.P., introduced the regulations to Parliament; they were ratified under the Merchant Shipping Acts of 1876 and 1990.
Posh Naval This word, meaning "superior", is said to come from the P. & O. Steam Navigation Company's abbreviation for the phrase "Port Outward, Starboard Homeward", which cabins are the cooler in the Red Sea and so the more attractive to passengers.