Etymology : Middle English morter, from Old English mortere and Middle French mortier, from Latin mortarium
Pronunciation : 'mor-t&r
Function : noun
Date : before 12th century
1. cement; grinding vessel; cannon-like device which fires bombs at a high trajectory. cement, build or fix with mortar; shoot cannon, attack with mortars. mortar\mor"tar\, n. [oe. mortier, f. mortier, l. mortarium mortar, a large basin or trough in which mortar is made, a mortar (in sense 1, above). see:
1st mortar.] (arch.) a building material made by mixing lime, cement, or plaster of paris, with sand, water, and sometimes other materials; -- used in masonry for joining stones, bricks, etc., also for plastering, and in other ways.mortar bed, a shallow box or receptacle in which mortar is mixed.mortar board. (a) a small square board with a handle beneath, for holding mortar; a hawk. (b) a cap with a broad, projecting, square top; -- worn by students in some colleges. [slang]mortar \mor"tar\ , n. [oe. morter, as. mortēre, l. mortarium: cf. f. mortier mortar. cf. sense 2 (below), also 2d mortar, martel, morter.].
2. a strong vessel, commonly in form of an inverted bell, in which substances are pounded or rubbed with a pestle.
3. [f. mortier, fr. l. mortarium mortar (for trituarating).] (mil.) a short piece of ordnance, used for throwing bombs, carcasses, shells, etc., at high angles of elevation, as 45°, and even higher; -- so named from its resemblance in shape to the utensil above described.mortar bed (mil.), a framework of wood and iron, suitably hollowed out to receive the breech and trunnions of a mortar.mortar boat or.
4. A strong vessel, commonly in form of an inverted bell, in which substances are pounded or rubbed with a pestle.
5. A short piece of ordnance, used for throwing bombs, carcasses, shells, etc., at high angles of elevation, as 45°, and even higher; so named from its resemblance in shape to the utensil above described.
6. A building material made by mixing lime, cement, or plaster of Paris, with sand, water, and sometimes other materials; used in masonry for joining stones, bricks, etc., also for plastering, and in other ways.
7. To plaster or make fast with mortar.
8. A chamber lamp or light. a muzzle-loading high-angle gun with a short barrel that fires shells at high elevations for a short range a bowl-shaped vessel in which substances can be ground and mixed with a pestle used as a bond in masonry or for covering a wall plaster with mortar; "mortar the wall".
9. 1. A mortar is a big gun which fires missiles high into the air over a short distance. He was killed in a mortar attack.
10. Mortar is a mixture of sand, water, and cement or lime which is put between bricks to hold them together.
11. A mortar is a bowl in which you can crush things such as herbs, spices, or grain using a rod called a pestle.
12. bricks and mortar: see:
brick. Short-range artillery piece with a short barrel and low muzzle velocity that fires an explosive projectile in a high-arched trajectory. Large mortars were used against fortifications and in siege operations from medieval times through World War I. Since 1915, small portable models have been standard infantry weapons, especially for mountain or trench warfare. Medium mortars, with a caliber of about 3-4 in. (70-90 mm), a range of up to about 2.5 mi (4 km), and a bomb weight of up to 11 lbs (5 kg), are now widely used. Material used in building construction to bond brick, stone, tile, or concrete blocks into a structure. The ancient Romans are credited with its invention. Mortar consists of sand mixed with cement and water. The resulting substance must be sufficiently flexible to flow slightly but not collapse under the weight of the masonry units. Before the 19th-century invention of portland cement, masons used thin joints of lime mortar, which required greater precision than the thicker joints of portland-cement mortar and were not as strong. For tilework, a very thin mortar called grout is used. Pointing is the process of finishing a masonry joint.
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