MORTAR n.
A building material made by mixing lime, cement, or plaster of Paris, with sand, water, and sometimes other materials; -- used in masonry for joining stones, bricks, etc., also for plastering, and in other ways. Mortar bed, a shallow box or receptacle in which mortar is mixed. -- Mortar board. (a) A small square board…
MUD n.
Earth and water mixed so as to be soft and adhesive. Mud bass (Zoöl.), a fresh-water fish (Acantharchum pomotis) of the Eastern United States. It produces a deep grunting note. -- Mud bath, an immersion of the body, or some part of it, in mud charged with medicinal agents, as a remedy for disease. -- Mud boat, a larg…