Shared (6)
'shared' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for communal that I've seen before include "For all to use" , "Shared by a group" , "Owned in common" , "Involving sharing of work and property" , "For a group of people" .)
'shared' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for mutual that I've seen before include "given and received" , "Felt by each towards the other, like friendship" , "Feeling for each towards the other" , "building society, say" , "Affecting both parties" .)