The planking or wood-work round a vessel above her deck, and fastened externally to the stanchions and timber-heads. In this form it is a synonym of berthing. Also, the old name for a bastion.
·noun The sides of a ship above the upper deck. II. Bulwark ·noun A rampart; a fortification; a bas...
Webster's Dictionary of the English Language
At Tower Hill. Two signs, the Crooked Billet and the Lion Rampant, described as at the Bulwarke Gate...
A Dictionary of London by Henry A Harben.
Ludgate prison. ...
Dictionary of The Vulgar Tongue by Francis Grose
An ornamental frame of netting answering the purpose of a bulwark. ...
The Sailor's Word-Book