bulwark: meaning and definitions

A wall or embankment raised as a defensive fortification; a rampart.

Something serving as a defense or safeguard: "We have seen the necessity of the Union, as our bulwark against foreign danger” ( James Madison).

A breakwater.

The part of a ship's side that is above the upper deck. Often used in the plural.

To fortify with a wall, embankment, or rampart.

To provide defense or protection for.