| mortar | a muzzle-loading high-angle gun with a short barrel that fires shells at high elevations for a short range |
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| mortar | a bowl-shaped vessel in which substances can be ground and mixed with a pestle |
| mortar | used as a bond in masonry or for covering a wall |
| mortar | plaster with mortar |
| mortar | artillery fire delivered by a mortar |
| mortar | an academic cap topped by a flat square with a tassel |
| mortar | a square board with a handle |