term:

Severalty

severalty n

[Anglo-French severalté separation, individual ownership, from several separate, several]
1 : sole, separate, and exclusive ownership
: one's own right without a joint interest in another person [agrees to assign the lease, or some portion of it (in common or in ) to another operator "Pacific Enterprises Oil Co. v. Pacific Petroleum Corp., 614 So. 2d 409 (1993)"] [held the estate in ]
2 : the quality or state of being individual, particular, or several

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