U-boat Definition

yo͝obōt
noun
A German submarine in service during WWI or WWII.
Webster's New World
Synonyms:

Other Word Forms of U-boat

Noun

Singular:
U-boat
Plural:
u-boats

Origin of U-boat

  • Translation of German U-Boot short for Unterseeboot unter under (from Middle High German under) (from Old High German untar n̥dher- in Indo-European roots) See sea (from Middle High German sē) (from Old High German) Boot boat

    From American Heritage Dictionary of the English Language, 5th Edition

U-boat Sentence Examples

  • He was famous in Germany as he had been a World War One U-boat captain.

  • Merchant seamen faced the daily risk of U-boat attack.

  • The U-boat enigma cipher is built up by Knox as the crucial problem -- and then what?

  • She was later used as a depot ship for U-boat flotillas 25 and 27, based at Kiel.

  • Churchill set up a Battle of the Atlantic committee to look for answers to the U-boat menace.

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