Source : Webster's Revised Unabridged Dictionary (1913)

Parcenary \Par"ce*na*ry\, n. [See {Parcener}, {partner}.] (Law)
   The holding or occupation of an inheritable estate which
   descends from the ancestor to two or more persons;
   coheirship.

   Note: It differs in many respects from joint tenancy, which
         is created by deed or devise. In the United States
         there is no essential distinction between parcenary and
         tenancy in common. --Wharton. Kent.