Definition of U-boat in English:

U-boat

Syllabification: U-boat

noun

A German submarine used in World War I or World War II.
More example sentences
  • This approach would be similar to that adopted to fight German U-boats in the Second World War.
  • The Royal Oak, a Royal Navy flagship, was sunk by a German U-boat in Scapa Flow off Orkney near the start of the second world war.
  • Six months after Pearl Harbor, U-boats landed eight German marines on American shores for sabotage missions.

Origin

from German U-Boot, abbreviation of Unterseeboot 'undersea boat'.

Definition of U-boat in:

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Pronunciation: ˈbimbəl
verb
walk or travel at a leisurely pace