EXAMPLES FROM THE WEB FOR U BOAT
Or we could tie up to the buoy and plug any U boat that came up to the surface.
He returned to the bridge and saw that the huge whale-like form of the U boat was still alongside.
"I see; if any U boat happened to have damaged a gun or run short of ammunition, you can supply the goods," said Chard.
Here, indeed, was a chance of recovering his reputation, for there could be no doubt that the submarine was a U boat.
Then a man on the submarine gave the rope a jerk, it slipped off the buoy, and the U boat stole away in the darkness.
We had guns, but when a U boat showed herself, it would be almost too late to fire with effect.
Therefore, we think that it can be claimed that our navy had already mastered the U boat menace when the war ended.
Who doubts that every town visited by a Zeppelin is fortified, that every ship sunk by a U boat carries troops or guns?
"It's a U boat sure enough," said Lawless, handing the binoculars to Trent.
1916 (said to have been in use from 1913), partial translation of German U-Boot, short for Unterseeboot, literally "undersea boat."