Mortar - Definition
mortar
n 1: a muzzle-loading high-angle gun with a short barrel that
fires shells at high elevations for a short range [syn:
mortar, howitzer, trench mortar]
2: used as a bond in masonry or for covering a wall
3: a bowl-shaped vessel in which substances can be ground and
mixed with a pestle
v 1: plaster with mortar; "mortar the wall"