A Port

1. (now Scotland, historical) An entryway or gate.
2. An opening or doorway in the side of a ship, especially for boarding or loading; an embrasure through which a cannon may be discharged; a porthole.
3. (curling, bowls) A space between two stones wide enough for a delivered stone or bowl to pass through.
4. An opening where a connection (such as a pipe) is made.
5. (computing) A logical or physical construct in and from which data are transferred.
6. (computing) A female connector of an electronic device, into which a cable's male connector can be inserted.