- a wall of earth or other material built for defense; rampart.
- any protection against external danger, injury, or annoyance: The new dam was a bulwark against future floods.
- any person or thing giving strong support or encouragement in time of need, danger, or doubt: Religion was his bulwark.
- a solid wall enclosing the perimeter of a weather or main deck for the protection of persons or objects on deck.
- to fortify or protect with a bulwark; secure by or as if by a fortification.
- a wall or similar structure used as a fortification; rampart
- a person or thing acting as a defence against injury, annoyance, etc
- a solid vertical fencelike structure along the outward sides of a deck
- a breakwater or mole
- to defend or fortify with or as if with a bulwark
