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port 1

a. A place on a waterway with facilities for loading and unloading ships.
b. A city or town on a waterway with such facilities.
c. The waterfront district of a city.
2. A place along a coast that gives ships and boats protection from storms and rough water; a harbor.
3. A port of entry.

[Middle English, from Old English, from Latin portus; see per- in Indo-European roots.]

port 2

The left-hand side of a ship or aircraft facing forward. Also called larboard.
Of, relating to, or on the port.
tr. & intr.v. port·ed, port·ing, ports
To turn (a craft) or make a shift to the port side: port the helm; ported sharply to avoid a shoal.

[Probably from port side, from port.]

port 3

1. Nautical
a. An opening in a ship's side providing access to the interior.
b. A porthole.
c. Archaic A cover for a porthole.
2. An opening, as in a cylinder or valve face, for the passage of steam or fluid.
3. A hole in an armored vehicle or a fortified structure for viewing or for firing weapons.
a. An entrance to or exit from a data network.
b. A connection point for a peripheral device.
5. Scots A gateway or portal, as to a town.
tr.v. port·ed, port·ing, ports
Computers To modify (software) for use on a different machine or platform.

[Middle English, gate, porthole, from Old French porte, gate, from Latin porta; see per- in Indo-European roots.]

port 4

also Port  (pôrt)
A rich sweet fortified wine.

[After Oporto.]

port 5

tr.v. port·ed, port·ing, ports
To hold or carry (a weapon) diagonally across the body, with the muzzle or blade near the left shoulder.
1. The position of a rifle or other weapon when ported.
2. The manner in which one carries oneself; bearing.

[French porter, to carry, from Old French, from Latin portāre; see per- in Indo-European roots. N., Middle English porte, from Old French port, from porter, to carry.]
References in classic literature ?
Tom King was re- ported to have killed a man before he came to Winesburg.
While thus he spake, th' Angelic Squadron bright Turnd fierie red, sharpning in mooned hornes Thir Phalanx, and began to hemm him round With ported Spears, as thick as when a field Of CERES ripe for harvest waving bends Her bearded Grove of ears, which way the wind Swayes them; the careful Plowman doubting stands Least on the threshing floore his hopeful sheaves Prove chaff.
The scouts had re ported numerous herds in a plain beyond an intervening height.