1. 迫击炮
A mortar is a big gun which fires missiles high into the air over a short distance.

2. 灰浆;砂浆;胶泥
Mortar is a mixture of sand, water, and cement or lime which is put between bricks to hold them together.

3. 研钵;臼
A mortar is a bowl in which you can crush things such as herbs, spices, or grain using a rod called a pestle.

4. bricks and mortar - see brick

1. a muzzle-loading high-angle gun with a short barrel that fires shells at high elevations for a short range

Synonym: howitzertrench mortar

2. a bowl-shaped vessel in which substances can be ground and mixed with a pestle

3. used as a bond in masonry or for covering a wall