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bastion. n. 1. (Fortifications) a projecting work in a fortification designed to permit fire to the flanks along the face of the wall. 2. any fortified place. 3. a thing or person regarded as upholding or defending an attitude, principle, etc: the last bastion of opposition.
a structure or place from which one can resist attack the boys built a snow fortress and then challenged the neighborhood kids to an in-your-face snowball fight Synonyms bastion, castle, citadel, fastness, fortification, fort, hold, redoubt, strongholdRelated Words battlement, breastwork, bulwark, earthwork, embattlement, parapet, rampart; bunker, ...