[bas-chuhn, -tee-uhn]


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 formsbas·tion·ar·y [bas-chuh-ner-ee] /ˈbæs tʃəˌnɛr i/, adjectivebas·tioned, adjective

Synonyms for bastion Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for bastion

Contemporary Examples of bastion

Historical Examples of bastion

  • 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.


    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, etcthe last bastion of opposition

Word Origin for bastion

C16: from French, from earlier bastillon bastion, from bastille Bastille
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

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