Storage bay
From Memory Alpha, the free Star Trek reference
A storage bay is a location in which various items are kept.
In 2153, a storage bay on Enterprise (NX-01) was transformed into a command center, to deal with the Xindi threat.
In 2369, a Cardassian attack on Deep Space 9 damaged several empty storage bays on level fourteen of the station. (DS9: "Emissary")
Melora Pazlar visited a storage bay to obtain a astrometric array in 2370. (DS9: "Melora")
In 2374, Damar and Weyoun were to meet Jack, Lauren, and Patrick in a storage bay. (DS9: "Statistical Probabilities")
