Dwarf Wall

Dwarf wall - A low wall, for example one constructed to support joists under the ground floor.

A dwarf wall or barrier built on the edge of a terrace, platform, bridge, balcony, or other elevated place, as a protection against falling; also above the cornice of a house, whether built with a steep or a flat roof.
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Parapet : a dwarf wall along the edge of a roof, or round a lead flat, terrace walk, etc., to prevent people from falling over, and as a protection to the defenders in case of a siege.

PARAPET (Ital. parapetto, Fr. parapet, from Mara, imperative of Ital. parare, to cover, defend, and petto, breast, Lat. pectus; the German word is Brustwehr), a dwarf wall along the edge of a roof, or round a lead flat, terrace walk, &c.

A building parapet consists of a dwarf wall along the edge of a roof, or round a lead flat, terrace walk, etc., to prevent persons from falling over, and as a protection to the defenders in case of a siege.

See also: Terra, Terrace, Ornament, System, Brick