American English

Definition of port noun from the Oxford Advanced American Dictionary



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  1. 1[countable] a town or city with a harbor, especially one where ships load and unload goods fishing ports Rotterdam is a major port.
  2. 2[countable, uncountable] (abbreviation Pt.) a place where ships load and unload goods or shelter from storms a naval port The ship spent four days in port. They reached port at last. port of entry (= a place where people or goods can enter a country) see also airport, free port, heliport, seaport
  3. 3[uncountable] the side of a ship or aircraft that is on the left when you are facing forward the port side opposite starboard
  4. 4[countable] (computing) a place on a computer where you can attach another piece of equipment, often using a cable the modem port
  5. 5(also port wine) [uncountable] a strong sweet wine, usually dark red, that is made in Portugal. It is usually drunk at the end of a meal.
  6. 6[countable] a glass of port
  7. Idioms
    any port in a storm (saying)
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    if you are in great trouble, you take any help that is offered
See the Oxford Advanced Learner's Dictionary entry: port