bastioned

bas·tion

B0108600 (băs′chən, -tē-ən)n.1. A projecting part of a fortification.2. A well-fortified position.3. One that upholds or defends something, as against neglect or unpopularity: a college that is a bastion of traditionalism. See Synonyms at bulwark.

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[French, from Old French bastillon, from bastille, fortress; see bastille.]

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bas′tioned adj.

Thesaurus

Adj.

1.

bastioned - secured with bastions or fortificationsfortifiedprotected - kept safe or defended from danger or injury or loss; "the most protected spot I could find"