D defs.my
Entry 4 senses · 2 variants Webster, 1913

Bulwark

/bo͝ol'wərk/ · Bul·wark · IPA /ˈbʊl.wək/
01 n. A rampart; a fortification; a bastion or outwork.
  1. 1.
    A rampart; a fortification; a bastion or outwork.(Fort.)
  2. 2.
    That which secures against an enemy, or defends from attack; any means of defense or protection.
    “The royal navy of England hath ever been its greatest defense, . . . the floating bulwark of our island.” Blackstone.
  3. 3.
    The sides of a ship above the upper deck, usually a fencelike structure around the deck.(Naut.)
Syn. See Rampart.
02 v. t. To fortify with, or as with, a rampart or wall; to secure by fortification; to protect.
imp. & p. p. Bulwarked; p. pr. & vb. n. Bulwarking
  1. 1.
    To fortify with, or as with, a rampart or wall; to secure by fortification; to protect.
    “Of some proud city, bulwarked round and armed With rising towers.” — Glover.