noun

• A wheeled vehicle that moves independently, with at least three wheels, powered mechanically, steered by a driver and mostly for personal transportation.
• (dated) A wheeled vehicle, drawn by a horse or other animal
• (dated) A cart.
• (dated) A chariot.
• (UK, Birmingham, obsolete) A four-wheeled cab, as opposed to a (two-wheeled) Hansom cab.
• Any vehicle designed to run on rails
• (rail transport, chiefly Canada, US) An unpowered unit in a railroad train.
• (rail transport) an individual vehicle, powered or unpowered, in a multiple unit.
• (rail transport) A passenger-carrying unit in a subway or elevated train, whether powered or not.
• A rough unit of quantity approximating the amount which would fill a railroad car.
• The moving, load-carrying component of an elevator or other cable-drawn transport mechanism.
• The passenger-carrying portion of certain amusement park rides, such as Ferris wheels.
• The part of an airship, such as a balloon or dirigible, which houses the passengers and control apparatus.
• (sailing) A sliding fitting that runs along a track.
• (uncountable, US, informal) The aggregate of desirable characteristics of a car.
• (US) A floating perforated box for living fish.
• (US, prison slang) A clique or gang.
• (programming) The first part of a cons in Lisp. The first element of a list.
• The most widespread of the Nicobarese languages spoken in the Nicobar Islands of India (ISO 839-3 code "caq").
• A surname.
• (Internet) Deliberate misspelling of cat. [An animal of the family Felidae:]
• Initialism of Central African Republic. [A country in Central Africa.]
• (sports) Abbreviation of Carolina. (North Carolina or South Carolina, states in the United States of America) [(countable) A female given name from Latin, Latinate form of Caroline; rare in English.]
• Initialism of Cordillera Administrative Region. [a landlocked administrative region of the Philippines situated within the island of Luzon]
• (uncountable, chemistry) Abbreviation of carnitine. [(organic chemistry) A betaine, 3-hydroxy-4-trimethylammonio-butanoate, that is found in the liver and has a function in fatty acid transport.]
• (countable, immunology) Initialism of chimeric antigen receptor. [(immunology) A receptor protein engineered to give T cells the (new) ability to attach to a specific target protein.]