Meaning of MORTAR in English

MORTAR

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.

Webster English vocab.      Английский словарь Webster.