Tenancy \Ten"an*cy\, n.; pl. {Tenacies}. [Cf. OF. tenace, LL. tenentia. See {Tenant}.] (Law) (a) A holding, or a mode of holding, an estate; tenure; the temporary possession of what belongs to another. (b) (O. Eng. Law) A house for habitation, or place to live in, held of another. --Blount. Blackstone. Wharton. [1913 Webster]