(pôrt, pōrt) noun
1. A harbor or haven; hence, a place of customary entry and exit for vessels, as for commerce.
2. Law Any place designated as a point at which persons or merchandise may enter or pass out of a country, under specified supervision: also port of entry. [Fusion of OE and OF, both <L portus a harbor]

(pôrt, pōrt) noun
1. An opening in the side of a ship, as for a gun, light and air, or for the passage of cargo.
2. A gate, portal, door, or other entrance.
3. An orifice for the passage of a motive fluid, as air, gas, etc.: a steam port; exhaust port. [Prob. fusion of OE and OF, both <L porta a gate, door]

(pôrt, pōrt) noun
1. The way in which one bears or carries himself; mien; external manner: a majestic port.
2. The position of a rifle when ported. See synonyms under AIR¹. high port Mil. The position in which a soldier carries his rifle, diagonally across his body, while running or jumping.
—v.t.
1. Mil. To carry, as a rifle, saber, or other weapon, diagonally across the body and sloping to the left shoulder.
2. To carry. [<OF porte <porter carry <L portare]

(pôrt, pōrt) Naut. noun
The left side of a vessel as one looks from stern to bow: formerly called larboard: opposed to starboard.
—v.t. To put or turn to the port or larboard side: to port the helm.
—adjective Left; larboard: port side. [Prob. <PORT¹]

(pôrt, pōrt) noun
A sweet variety of wine, usually of a dark-red color. [Short for Oporto wine, from Oporto, Portugal; so called because orig. shipped from there]