term:

Indivision

indivision n

in the civil law of Louisiana
: a state of undivided wholeness
: state of being owned by two or more co-owners each having an undivided interest in the property as a whole [an estate held in ] [they receive this usufruct in "Louisiana Civil Code"] see also ownership in indivision at ownership

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.