Bastion Definition
 băschən, -tē-ən 
  bastions
  
    noun
  
 
    bastions
  
A projecting part of a fortification.
 American Heritage 
A projection from a fortification, arranged to give a wider firing range.
 Webster's New World 
A well-fortified position.
 American Heritage 
Any fortified place; strong defense or bulwark.
 Webster's New World 
One that upholds or defends something, as against neglect or unpopularity.
 A college that is a bastion of traditionalism.
 American Heritage 
Other Word Forms of Bastion
Noun
Singular:
 bastionPlural:
 bastionsOrigin of Bastion
-  First attested in 1562. From French bastion, from Old French bastille (“fortress”). From Wiktionary 
-  French from Old French bastillon from bastille fortress bastille From American Heritage Dictionary of the English Language, 5th Edition 
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