"mortars" in the noun sense
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
"mortars" in the verb sense
1. mortar
plaster with mortar
"mortar the wall"
Source: WordNet® (An amazing lexical database of English)
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