fortification A fortification (also called a fort, fortress, fastness, or stronghold) is a military construction designed for the defense of territories in warfare, and is used to establish rule in a region during peacetime. The term is derived from Lati ...

, a ''lunette'' was originally an

outwork An outwork is a minor fortification built or established outside the principal fortification limits, detached or semidetached. Outworks such as ravelins, lunettes (demilunes), flèches and caponier A caponier is a type of defensive structur ...

of half-moon shape; later it became a redan with short flanks, in trace somewhat resembling a

bastion A bastion is a structure projecting outward from the curtain wall of a fortification, most commonly angular in shape and positioned at the corners of the fort. The fully developed bastion consists of two faces and two flanks, with fire from the ...

standing by itself without curtains on either side. The

gorge A canyon (; archaic British English spelling: ''cañon''), gorge or chasm, is a deep cleft between escarpments or cliffs resulting from weathering and the erosion, erosive activity of a river over geologic time scales. Rivers have a natural tend ...

was generally open. One noted historical example of a lunette was the one used at the

Battle of the Alamo The Battle of the Alamo (February 23 – March 6, 1836) was a pivotal event and military engagement in the Texas Revolution. Following a siege of the Alamo, 13-day siege, Mexico, Mexican troops under president of Mexico, President Antonio L� ...

in San Antonio, Texas, in March 1836. Another were the Bagration flèches, at the Battle of Borodino, in 1812.

References

{{fortifications Fortification (architectural elements)

See also

References