Washing place? (7)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
bathtub
(Other definitions for bathtub that I've seen before include "Large vessel" , "Object used for washing bodies" , "Archimedes' reputedly was here before his 'Eureka'" , "Vessel in which one washes oneself" , "Container for the body during ablutions" .)