A refueling station was a type of space-bound outpost facility, usually a space station, that services passing ships by providing fuels and various amenities.
History and specifications[]
Refueling station include services like liquid and sonic showers, nap rooms, replimats, saloons, gift shops etc. Other facilities are rather bare bones and entirely automated. (SA video game: Starfleet Academy; DS9 eBook: Rules of Accusation)