What is Joint Tenants?

Legal Definition
Estates. Two or more persons to whom are granted land's or tenements to hold in fee simple, fee tail, for life, for years, or at will. 2 Black. Com. 179. The estate which they, thus hold is called an estate in joint tenancy. Vide Estate in joint tenancy; Jus accrescendi; Survivor.
-- Bouviers Law Dictionary
Legal Definition
Two or more persons to whom are granted lands or tenements to hold in fee-simple, fee-tail, for life, for years, or at will. 2 Bl. Comm. 179. Persons who own lands by a joint title created expressly by one and the same deed or will. 4 Kent, Comm. 357. Joint tenants have one and the same interest, accruing by one and the same conveyance, commencing at one and the same time, and held by one and the same undivided possession. 2 Bl. Comm. 180.
-- Black's Law Dictionary
Legal Definition
The co-owners of a joint tenancy.
-- Ballentine's Law Dictionary