POS

POS, 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, a canonical form in boolean algebra
• SNCF TGV POS, a French high-speed train
• Post Office Sorting Van, a type of rail vehicle used in a Travelling Post Office train
• Posdnuos, a hip-hop artist from New York, best known for being one-third of the hip hop trio De La Soul
• 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
• Public open space in planning
• Sayula Popoluca (ISO 639-3 language code), an indigenous language spoken in Veracruz, Mexico
• Protection of Shipping, a surface combatant mission

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
• Proprietary Operating system, such as IBM AIX

Places

• Port of Spain, Capital of the Republic of Trinidad and Tobago
• Piarco International Airport (IATA airport code: POS)
• Pomona (Amtrak station), California, United States; Amtrak station code POS
• Piece Of Shit, (The meaning of a person who's not that good at typing)

Music

• Pain of Salvation, a Swedish progressive metal band
• P.O.S, a hip-hop artist based in Minneapolis, Minnesota
• Paavo Siljamäki, a Finnish trance musician