Online Encyclopedia

BASTION (through the Fr. from late La...

Online Encyclopedia
Originally appearing in Volume V03, Page 503 of the 1911 Encyclopedia Britannica.
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BASTION (through the Fr. from
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late
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Lat. bastire, to build)
  , a
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work forming
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part of a
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line of fortifications . The general trace of a bastion is similar to an irregular pentagon formed by a triangle and a narrow rectangle, the
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base of the triangle coinciding with the long side of the rectangle . The two sides of the triangle form the " faces " of the bastion, which join at the " salient " angle, the short sides of the rectangle form the "flanks." Bastions were arranged so that the fire from the flanks of each protected not only the front of the
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curtain but also the faces of the adjacent bastions . A " tower bastion " is a case-mated tower built in bastion form; a " demi-bastion " is a work formed by
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half a bastion (bisected through the salient angle) and by a parapet along the line of bisection; a " flat bastion " is a bastion built on a curtain and having a very obtuse salient angle .

End of Article: BASTION (through the Fr. from late Lat. bastire, to build)
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BASTINADO (Span. baston, Fr. baton, a stick, cudgel...
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JOHN BASTWICK (1593-1654)

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