noun

bastion

bastion, stronghold, bulwark

The castle had a strong bastion at each corner.

The castle had a strong bastion at each corner.

The university is a bastion of academic freedom.

The university is a bastion of academic freedom.

a bastion of ((sth.)) a stronghold of (sth.) The university is a bastion of free speech.

Synonyms: stronghold, fortress, bulwark, citadel

From Italian 'bastione', derived from 'bastire' meaning 'to build'.

Think of a 'base station' that acts as a stronghold or bastion.

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