Storeship

Also store ship or stores ship.
1. During the Age of Sail and immediately afterwards, a captured ship used to stow supplies and other goods for naval purposes.
2. Since the mid-20th century, a type of naval ship that provides supplies, such as frozen, chilled, and dry provisions, and propulsion and aviation fuel to warships at sea for an extended period. In some navies, synonymous with replenishment oiler, fleet replenisher, or fleet tanker.