usufruct
nounThe right to the use and profits of something belonging to another.
To hold in usufruct; subject to a right of enjoyment of its advantages by one while owned by another.
nounIn law, the right of enjoying all the advantages derivable from the use of something which belongs to another so far as is compatible with the substance of the thing not being destroyed or injured.
nounThe right of using and enjoying the profits of an estate or other thing belonging to another, without impairing the substance.
nounThe legal
a legal right to use and derive profit from property belonging to someone else provided that the property itself is not injured in any way