Byzatium transport

From Memory Alpha, the free Star Trek reference.

A Byzatium transport was a type of transport utilized by the Byzatiums during the late 24th century.

Six Byzatium transports were scheduled to dock at Deep Space 9 shortly before stardate 48467. As a result, Kira Nerys had to arrange more cargo space to accommodate them, eventually arranging for them to off-load into cargo bays 3 and 4. (DS9: "Defiant")