bastion.

1. A projecting part of a fortification from which defenders can protect adjacent walls.

2. A place, group, or institution that strongly protects or preserves something.

Use it for

Words that belong together

• stone bastion
• fortified bastion

On the page

The stone bastion overlooked the only dry approach.

They reached the bastion before the gate was lowered.

Usage notes

Primary category: setting. Forms: Singular bastion; plural bastions. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.