mortar

1 of 3

noun (1)

mor·​tar ˈmȯr-tər How to pronounce mortar (audio)
1
: a sturdy vessel in which material is pounded or rubbed with a pestle
crushed the seeds in a mortar
2
[Middle French mortier]
a
: a portable muzzle-loading weapon having a tube short in relation to its caliber (see caliber sense 2b) that is used to throw bombs at high angles
mortars fired at the enemy positions
b
: any of several similar firing devices

Illustration of mortar

Illustration of mortar
  • M mortar
  • P pestle

mortar

2 of 3

noun (2)

: a plastic building material (such as a mixture of cement, lime, or gypsum plaster with sand and water) that hardens and is used in masonry or plastering
mortarless adjective

mortar

3 of 3

verb

mortared; mortaring; mortars

transitive verb

: to plaster or make fast with mortar

Examples of mortar in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Alongside these brick and mortar projects, there is also a vitally important softer side to the country’s engagement with a more sustainable future – one which is being fostered through core environmental education and conservation projects. Saleem H. Ali, Forbes, 5 Dec. 2024 The burger available on the flight is the exact same Angus burger available at brick and mortar locations throughout the country. Sydney Borchers, Fox News, 3 Dec. 2024
Verb
Their homes, mortared with mud and topped with straw, are vulnerable to rain. Xanthe Scharff, The Christian Science Monitor, 24 July 2023 See all Example Sentences for mortar 

Word History

Etymology

Noun (1)

Middle English morter, from Old English mortere & Anglo-French mortier, from Latin mortarium

Noun (2)

Middle English morter, from Anglo-French morter, mortier, from Latin mortarium

First Known Use

Noun (1)

before the 12th century, in the meaning defined at sense 1

Noun (2)

14th century, in the meaning defined above

Verb

14th century, in the meaning defined above

Time Traveler
The first known use of mortar was before the 12th century

Dictionary Entries Near mortar

Cite this Entry

“Mortar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mortar. Accessed 18 Dec. 2024.

Kids Definition

mortar

1 of 2 noun
mor·​tar ˈmȯrt-ər How to pronounce mortar (audio)
1
: a strong deep bowl in which substances are pounded or crushed with a pestle
2
: a short muzzle-loading cannon used to fire shells at a low speed and at high angles

mortar

2 of 2 noun
: a building material made of lime and cement mixed with sand and water that is spread between bricks or stones so as to hold them together when it hardens
mortar verb

Medical Definition

mortar

noun
mor·​tar ˈmȯrt-ər How to pronounce mortar (audio)
: a strong vessel in which material is pounded or rubbed with a pestle

More from Merriam-Webster on mortar

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!