Definition of port-wine:
(n) :
A place on the coast at which ships can shelter, or dock to load and unload cargo or passengers.
(n) :
A town or city containing such a place, a port city.
(n) :
(nautical, aviation, uncountable) The left-hand side of a vessel, including aircraft, when one is facing the front. Used to unambiguously refer to directions relative to the vessel structure, rather than to a person or object on board.
(n) :
(rowing) A sweep rower that primarily rows with an oar on the port side.
(adj) :
(nautical) Of or relating to port, the left-hand side of a vessel when facing the bow.
(v) :
(nautical, transitive, chiefly imperative) To turn or put to the left or larboard side of a ship; said of the helm.