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WordReference Random House Learner's Dictionary of American English © 2024mor•tar1 /ˈmɔrtɚ/USA pronunciation n. [countable]- a bowl-shaped container in which substances can be pounded or ground with a pestle.
- Militarya very short cannon for throwing shells at high angles:shells from the enemy mortars.
mor•tar2 /ˈmɔrtɚ/USA pronunciation n. [uncountable]- Buildinga mixture of lime or cement with sand and water, used to hold stones, etc., together.
v. [~ + object] - Buildingto plaster or fix with mortar.
WordReference Random House Unabridged Dictionary of American English © 2024mor•tar1 (môr′tər),USA pronunciation n. - 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.
- Militarya 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.
v.t., v.i. - Militaryto attack with mortar fire or shells.
- Latin, as above; see -ar2
- Latin mortārium; in defs. 3, 4 translation of French mortier
- Middle English, Old English mortere and Old French mortier bef. 1000
- Buildinga mixture of lime or cement or a combination of both with sand and water, used as a bonding agent between bricks, stones, etc.
- Buildingany of various materials or compounds for bonding together bricks, stones, etc.:Bitumen was used as a mortar.
v.t. - Buildingto plaster or fix with mortar.
- Anglo-French; Old French mortier mortar1, hence the mixture produced in it
- Middle English morter 1250–1300
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