Hmm, what is a port. As someone from a major port that's not a question I've ever given much thought to. Just looking at wiki, there seems to be some contradiction. At the very beginning of the
article titled "port" it states (underline by me):
Quote:
A port is a maritime facility comprising one or more wharves or loading areas, where ships load and discharge cargo and passengers. Although usually situated on a sea coast or estuary, ports can also be found far inland, such as Hamburg, Manchester and Duluth; these access the sea via rivers or canals. Because of their roles as ports of entry for immigrants as well as soldiers in wartime, many port cities have experienced dramatic multi-ethnic and multicultural changes throughout their histories.[1][2]
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But then further down there's a
"types" section which states,
Quote:
The terms "port" and "seaport" are used for different types of facilities handling ocean-going vessels, and river port is used for river traffic, such as barges and other shallow-draft vessels.
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And there's also a page that
lists ports in the US, and Port of St. Louis and East St. Louis is listed.
At the same time,
dictionary.com says (among other unrelated definitions) that it's
Quote:
A city, town, or other place where ships load or unload.
a place along a coast in which ships may take refuge from storms; harbor.
Synonyms: anchorage "https://www.dictionary.com/browse/port
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merriam-webster's definition is nearly identical.
Cambridge dictionary says,
Quote:
a town by the sea or by a river that has a harbour, or the harbour itself:
a naval/fishing/container port
We had a good view of all the ships coming into/leaving port.
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Collins dictionary is basically the same.
So they do mention a river, but also specify "harbour" and 'ships" which doesn't really apply to barge traffic on a harbour-less river. In fact, many of the definitions seem to equate the words port and harbour.
Of course dictionaries and encyclopedias just try to track how a word is being used rather than commenting on whether or not it should be used in that way. So it doesn't have any bearing on arguments around whether a term should be changed to be more fair, clear, logical etc. But personally, I'd be inclined to say that the term port on its own implies ocean access, while specifically using the term "river port" refers to a different but similar facility that isn't navigable to the ocean by most vessels. It both makes the most sense to me and seems to be the most common usage.