adj. Relating or belonging to, or composed of, two or more parts or portions, or two or more persons or classes of persons. Party Jury. A jury de medietate lingua; (which title see.). Party structure is a structure separating buildings, stories, or rooms which belong to different owners, or which are approached by distinct staircases or separate entrances from without whether the same be a partition, arch, floor, or other structure. (St 18 & 19 Vict, c 122, f 3.) Mozley A Whitley. Party-wall. A wail built partly on the land of one owner, and partly on the land of another, for the common benefit of both in supporting timbers used in the construction of contiguous buildings. Brown v. Werner, 40 Md. 19. In the primary and most ordinary meaning of the term, a party-wall is (1) a wall of which the two adjoining owners are tenants in common. But it may also mean (2) a wall divided longitudinally into two strips, one belonging to each of the neighboring owners; (3) a wall which belongs entirely to one of the adjoining owners, but is subject to an easement or right in the other to have it maintained as. a dividing wall between the two tenements, (the term is so used in some of the English building acts;) or (4) a wall divided longitudinally into two moieties, each moiety being subject to a cross-easement in favor of the owner of the other moiety. Sweet