A town or city with a harbor where ships load or unload, especially one where customs officers are stationed. A strong, sweet, typically dark red fortified wine, originally from Portugal, typically drunk as a dessert wine. The side of a ship or aircraft that is on the left when one is facing forward. An aperture or opening, in particular. The position required by an order to port a rifle or other weapon. A person's carriage or bearing. A transfer of software from one system or machine to another. Turn (a ship or its helm) to port. Transfer (software) from one system or machine to another. Carry (a rifle or other weapon) diagonally across and close to the body with the barrel or blade near the left shoulder.