noun a chamber lamp or light.
2. mortar ·vt to plaster or make fast with mortar.
3. mortar ·noun a strong vessel, commonly in form of an inverted bell, in which substances are pounded or rubbed with a pestle.
4. mortar ·noun a short piece of ordnance, used for throwing bombs, carcasses, shells, ·etc., at high angles of elevation, as 45?, and even higher;
so named from its resemblance in shape to the utensil above described.
5. mortar ·noun 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.