Origin of U-boat
Examples from the Web for u-boat
Prominent among those struggles was the battle of the Atlantic, waged against the U-boat menace.D-Day Was The Largest And One Of The Bloodiest Invasions In History|James A. Warren|June 6, 2014|DAILY BEAST
I suspect that the production stopped short of plagiarism, but it probably sailed very close to the U-boat.
He died in 1941, just 35, after a German U-Boat torpedoed the ship on which he was sailing as a BBC correspondent to Cairo.The Grand Tour in Style: Robert Byron’s ‘Europe in the Looking-Glass’|Malcolm Forbes|November 16, 2012|DAILY BEAST
If he spotted a U-boat, not only would he call for backup, he wanted to attack the sub himself.
We seem just to have struck the peak of the midsummer U-boat campaign.Sea-Hounds|Lewis R. Freeman
Captain Hassan was taken aboard the U-boat, and no further knowledge of his fate has been received.Lest We Forget|John Gilbert Thompson
Our moderate estimators here put it down as three, with one transport ramming and sinking one U-boat.The U-boat hunters|James B. Connolly
Other U-boat commanders would appear off the hunting grounds and attack ships in more or less easy-going fashion.The Victory At Sea|William Sowden Sims
The uniform and underclothes were almost as wet as when Alec had arrived on board the U-boat.The Thick of the Fray at Zeebrugge|Percy F. Westerman
Word Origin for U-boat
1916 (said to have been in use from 1913), partial translation of German U-Boot, short for Unterseeboot, literally "undersea boat."