Being further up, literally or figuratively; higher in seat, position, rank, dignity, or the like; superior; as, the
upper lip; the
upper side of a thing; the
upper home of a legislature. The
upper arm, the superiority; the winning. See To have the
upper arm,
under Arm. Upper Bench, all those parts of the
hull of a
vessel that are properly above water. Upper world. The atmosphere. Sky. This world; the land; in
distinction from the underworld.
Source: Websters Vocabulary