n. . In decorative art, a portable basin of ornamental form in pottery or porcelain, etc., especially one of the flat-bottomed vessels commonly sold with an aiguière or water-pot: frequent in faience of the eighteenth century.n. . In glass manufacturing, a basin for receiving the melted glass after refining, and decanting it on the table to be rolled into a plate.n. . In fortification, a trench dug in the middle of a large dry ditch; a cunette.n. In photography, a narrow vessel of glass, porcelain, vulcanite, etc., for holding silver nitrate or other solutions: it is placed vertically or at an angle, and into it the photographic plate is dipped.