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[bas-chuh n, -tee-uh n] /ˈbæs tʃən, -ti ən/
Fortification. a projecting portion of a rampart or fortification that forms an irregular pentagon attached at the base to the main work.
a fortified place.
anything seen as preserving or protecting some quality, condition, etc.:
a bastion of solitude; a bastion of democracy.
Origin of bastion
1590-1600; < Middle French < Italian bastione, equivalent to Upper Italian bastí(a) bastion, orig., fortified, built (cognate with Italian bastita, past participle of bastire to build < Germanic; see baste1) + -one augmentative suffix
Related forms
[bas-chuh-ner-ee] /ˈbæs tʃəˌnɛr i/ (Show IPA),
bastioned, adjective
2. fortress, fort, bulwark, stronghold, citadel. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for bastion
Contemporary Examples
Historical Examples
  • We sat in a corner of the bastion, so that we could see everything on both sides.

    A Hero of Our Time M. Y. Lermontov
  • It was a flat mesa rising sharply as a sort of bastion from the rim-rock.

    Oh, You Tex! William Macleod Raine
  • We go out by an entrance on to a bastion, flanking the gate.

  • Continuing along the bastion the limit of the northern wall is soon reached.

    Exeter Sidney Heath
  • Captain Neville, into the battery, and fire twenty rounds at the bastion!

    White Lies Charles Reade
British Dictionary definitions for bastion


a projecting work in a fortification designed to permit fire to the flanks along the face of the wall
any fortified place
a thing or person regarded as upholding or defending an attitude, principle, etc: the last bastion of opposition
Word Origin
C16: from French, from earlier bastillon bastion, from bastilleBastille
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for bastion

1560s, from Middle French bastillon, diminutive of Old French bastille "fortress, tower, fortified, building," from Old Provençal bastir "build," perhaps originally "make with bast" (see baste (v.1)).

Online Etymology Dictionary, © 2010 Douglas Harper
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