n. - Painting executed in size or distemper, on canvas or
walls, -- formerly, frequently taking the place of tapestry.
n. - An hydraulic apparatus, or a system of works or
fixtures, by which a supply of water is furnished for useful or
ornamental purposes, including dams, sluices, pumps, aqueducts,
distributing pipes, fountains, etc.; -- used chiefly in the plural.