bulwark

/หˆbสŠl.wษ”ษนk/

IPA: /B UH1 L W ER0 K/

noun
  1. 1

    A defensive wall or rampart.

  2. 2

    A defense or safeguard.

  3. 3

    A breakwater.

  4. 4

    The planking or plating along the sides of a nautical vessel above her gunwale that reduces the likelihood of seas washing over the gunwales and people being washed overboard.

  5. 5

    Any means of defence or security.

verb
  1. 1

    To fortify something with a wall or rampart.

  2. 2

    To provide protection of defense for something.

Source: https://en.wiktionary.org/wiki/bulwark