Toilet (8)
'toilet' is the definition.
(I know that toilet can be written as lavatory)
This is all the clue.
(Other definitions for lavatory that I've seen before include "Something to go on" , "one's flushed" , "somewhere to go?" , "Private chamber" , "Toilet" .)
'toilet' is the definition.
(loo can informally mean a toilet)
This is the entire clue.
(Other definitions for loo that I've seen before include "Card-game" , "Toilet (informal)" , "Card game; the 'smallest room'" , "The little room - card game" , "bog" .)
'toilet' is the definition.
(lavatory)
This is all the clue.
(Other definitions for lav that I've seen before include "toilet" , "Loo" , "Private place in short" .)