1728, Englished form of salon, and originally used interchangeable with it. Meaning "large hall in a public place for entertainment, etc." is from 1747; especially a passenger boat from 1817 [..]

A railway passenger carriage with an open internal layout.

"sedan" car (automobile); US saloon = western-style bar

(n) a room or establishment where alcoholic drinks are served over a counter(n) tavern consisting of a building with a bar and public rooms; often provides light meals(n) a car that is closed and that [..]

A car body style where the boot lid is usually hinged just below the rear window.

a type of car body where the boot and passenger area are completely separate. The boot lid will normally hinge at the bottom of the rear windscreen. Saloon bodies are most common on executive/luxury model cars and less so on family models.

main accomodation for passengers in a passenger carrying vessel or the officers' mess in a merchant ship Source: Country Life Book of Nautical Terms Under Sail

Mess room for deck officers in a merchant ship. 2. Main cabin in a passenger ship. Salt.

The large social gathering area below deck on a boat; as in: We'll have dinner in the saloon tonight due to the inclimate weather in the cockpit.  

The main cabin, usually below deck, in a small boat or yacht, where the crew live, eat, and, depending on the size of the boat, may also sleep. Compare to Cabin

(US) A tavern, especially in an American Old West setting. (British,dated) A lounge bar in an English public house, contrasted with the public bar. A pint of beer in the saloon bar costs a penny [..]

lang=en 1800s=1813 * '''1813''' — . ''''. *: On reaching the house, they were shown through the hall into the saloon, whose northern aspect rendered it delightful for summer. Its windows opening to [..]