Bus station (5)
'bus station' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for depot that I've seen before include "Large storage site" , "Bus station or warehouse" , "(Military) store" , "Storage place" , "Regimental HQ" .)
(Other definitions for terminus that I've seen before include "End of the line for tram or bus" , "boundary marker" , "final point" , "End - objective" , "End of bus/rail route" .)