bulwark /bŭlˈwərk/

1. A fortification or rampart
2. A breakwater or sea-wall
3. The side of a ship projecting above the deck
4. Any means of defence or security

1. To defend
2. To fortify

• defter
• deftest
• deftly
• deftness
• deftnesses
• defunct
• defunction
• defunctions
• defunctive
• defuncts
• defund
• defunded
• defunding
• defunds
• defus'd
• defuse
• defused
• defuses
• defusing
• defuze
• defuzed
• defuzes
• defuzing
• defy
• defying