Bulwark – a defensive wall of earth or other material
To remember the definition of the word bulwark, use the following mnemonic:
The bulls work (bulwark) very hard at building a giant defensive wall.
Examples of bulwark in a sentence
Most parents want to be the bulwark that protects their children from harm.
When the ruler travelled around his territory, his guards accompanied him as a bulwark from enemy attack.
For safety reasons, many police officers wear a bulletproof vest as a bulwark.