1. (

• mortar ,
• howitzer ,
• trench_mortar

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

2. (

• mortar

) used as a bond in masonry or for covering a wall ;

3. (

• mortar ,

) a bowl-shaped vessel in which substances can be ground and mixed with a pestle ;

1. (

• mortar

) plaster with mortar; "mortar the wall" ;