POS or PoS may refer to: Polycystic ovary syndrome, a disease of the ovaries Point of sale, the location where a business transaction occurs * POS terminal, a device by which sales transactions can be directly debited to the customer's bank account Point of service plan, a type of health insurance in which patients choose their doctor and he/she will be their "point of service" Proceedings of Science, an electronic publishing service for proceedings of scientific conferences Product of Sums: see maxterms SNCF TGV POS, a French high-speed train Post Office Sorting Van, a type of rail vehicle used in a Travelling Post Office train P.O.S., a hip-hop artist based in Minneapolis, Minnesota Priory of Sion, a fictitious secret society Part of speech, the role that a word or phrase plays in a sentence Piece of shit, a profanity saying something is of poor quality or broken Probability of success Plan of Subdivision, in an urban planning context Public open space in planning Project Objective Statement, a short objective statement of what the end result of the project being submitted will be Sayula Popoluca (ISO 639-3 language code), an indigenous language spoken in Veracruz, Mexico Protection of Shipping, a surface combatant mission

POS TICKETS BTS Tickets Rush Tickets Journey Tickets Shakira Tickets Bryson Tiller Tickets Earth, Wind and Fire Tickets

Technology

• P/OS, the Professional Operating System sold by Digital Equipment Corporation for their PRO-300, PRO-350, and PRO-380 PDP-11-compatible line of personal computers
• Perq Operating System
• Packet over SONET/SDH, a communications protocol for transferring packets over fiber networks
• Pos (also known as Poseidon), a chess playing program

Places

• Piarco International Airport (IATA airport code: POS)
• Pomona (Amtrak station), California, United States; Amtrak station code POS