bulwark (n.)
- abatis
- abutment
- aegis
- arc-boutant
- backstop
- bank
- banquette
- bar
- barbican
- barrage
- barricade
- barrier
- bastion
- battlement
- beam
- boom
- breakwater
- breastwork
- buffer
- bulkhead
- bumper
- buttress
- buttressing
- cheval-de-frise
- citadel
- cofferdam
- contraceptive
- copyright
- cover
- curtain
- cushion
- dam
- dashboard
- defense
- dike
- ditch
- dodger
- drawbridge
- earthwork
- embankment
- enclosure
- entanglement
- escarp
- escarpment
- fence
- fender
- fieldwork
- fort
- fortification
- fortress
- fuse
- gate
- goggles
- governor
- groin
- guard
- guardrail
- handrail
- helmet
- insulation
- interlock
- jam
- jetty
- levee
- lifeline
- logjam
- loophole
- lunette
- machicolation
- mantelet
- mask
- merlon
- milldam
- moat
- mole
- mound
- mudguard
- outwork
- pad
- padding
- palisade
- palladium
- parapet
- patent
- pier
- pilot
- portcullis
- preventive
- prophylactic
- rampart
- redoubt
- roadblock
- safeguard
- safety
- scarp
- sconce
- screen
- seawall
- shelter
- shield
- shoulder
- stockade
- stronghold
- umbrella
- wall
- weir
- windscreen
- windshield
- work
bulwark (v.)
The royal navy of England hath ever been its greatest defence and ornament; it is its ancient and natural strength,—the floating bulwark of our island.
A mighty fortress is our God,
A bulwark never failing;
Our helper He amid the flood
Of mortal ills prevailing.
