- a receptacle of hard material, having a bowl-shaped cavity in which substances are reduced to powder with a pestle.
- any of various mechanical appliances in which substances are pounded or ground.
- a cannon very short in proportion to its bore, for throwing shells at high angles.
- some similar contrivance, as for throwing pyrotechnic bombs or a lifeline.
- to attack with mortar fire or shells.
- a mixture of lime or cement or a combination of both with sand and water, used as a bonding agent between bricks, stones, etc.
- any of various materials or compounds for bonding together bricks, stones, etc.: Bitumen was used as a mortar.
- to plaster or fix with mortar.
- a mixture of cement or lime or both with sand and water, used as a bond between bricks or stones or as a covering on a wall
- a muzzle-loading cannon having a short barrel and relatively wide bore that fires low-velocity shells in high trajectories over a short range
- a similar device for firing lifelines, fireworks, etc
- a vessel, usually bowl-shaped, in which substances are pulverized with a pestle
- a cast-iron receptacle in which ore is crushed
- to join (bricks or stones) or cover (a wall) with mortar
- to fire on with mortars
- to trample (on)
