- (bastion) a group that defends a principle; "a bastion against corruption"; "the last bastion of communism"
- (bastion) a stronghold into which people could go for shelter during a battle
- (bastion) projecting part of a rampart or other fortification
- A bastion, or a bulwark, is a structure projecting outward from the main enclosure of a fortification, situated in both corners of a straight wall (termed curtain), facilitating active defence against assaulting troops. ...
- (Bastion (band)) Bastion (Бастион) was an eminent electronic music group from Skopje, Republic of Macedonia, notable for its member Kiril Džajkovski (Кирил Џајковски), who later rose to international prominence as a solo musician, DJ and a composer of the soundtrack album for Milčo Mančevski's ...
- (Bastion (comics)) Bastion is a supervillain that appears in the fictional Marvel Universe. The character was created by Scott Lobdell and Pascual Ferry and first made a cameo appearance in X-Men #52 (May 1996). His first full appearance was Uncanny X-Men #333 (June 1996). ...
- (Bastion (naval)) A bastion in naval strategy is a heavily-defended area of water in which friendly naval forces can operate safely. ...
- (Bastion (Star Wars)) A planet in the Outer Rim Territories.
- (Bastion) a small tower at the end of a curtain wall or in the middle of the outside wall
- (Bastion) Any outcropping on a castle.
- (Bastion) A tower or turret projecting from a wall or at the junction of two walls
- (Bastion) (Fr.) -- an angular work that projected outward from the main faces of a fortification. Its purpose was to eliminate defilade by directing fire along the front of an adjacent curtain wall. ...
- (Bastion) A defense work projecting from the line of a curtain wall in a fortification, particularly one designed for mounting artillery. It provides enfilading cover and is designed for its faces to be themselves enfiladed.
- (Bastion) A gun platform projecting from an angle of the walls of a castle to expose attackers on either side to fire.
- (Bastion) A projecting part of a defensive perimeter, designed to enable defenders to fire into the flank of any attackers close to the walls or in the ditch; usually a feature of fortifications with straight perimeter lengths greater than about 50 m.
- (Bastion) A projection in the enceinte, made up of four sides, two faces and two flanks, which better enabled a garrison to defend the ground adjacent to the main or curtain walls.
- (Bastion) A strongpoint of projecting masonry work in the perimeter of a fortress, usually V-shaped, angled out beyond the main line of the walls of a fortress. From it, attackers along the curtain could be cross-fired upon.
- (Bastion) A symmetrical structure projecting outwards from a straight curtain wall or at corners and angles of fortifications to allow defenders to cover adjacent bastions and connecting walls. Normally with two forward and two flanking faces.
- (Bastion) A work at one of the angles of a fortification, consisting of two faces and two flanks.
- (Bastion) Fortification work, usually four-sided (tetrahedral) and situated in the corners of a wall, with a sharp point, making possible active defence and flanking fire.
- (Bastion) One of a series of defensive semicircular or polygonal projections from the main wall of a fortress or city.
- (Bastion) The raised pathway or divider on a turf maze.
- (Bastion) chasingfun on Flickr
- (Bastión) A fortification element that projects outward, beyond the main fortress, to cover dead ground. Used mainly in association with modern artillery fortresses.
- (bastion) A projection, often at the corner of a defensive work; on which cannons were usually mounted.