Bulwark

Webster's Practical Dictionary- A Practical Dictionary of the Englih Language · 1884 · p. 59

bufwerk, n. {Fort.) An outwork for defense; a bastion. A means of defense; screen: shelter, pi. {Naut.) A ship's sides above the deck. — r.t. To fortify with a rampart; to protect. Bumble-bee, bum/'bl-be,??. A large bee; humble-bee.