\ ˈyü-ˌbōt
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Definition of U-boat
: a German submarine
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“U-boat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/U-boat. Accessed 21 Jun. 2021.
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U-boat
noun
English Language Learners Definition of U-boat
: a German submarine
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Time Traveler for U-boat
The first known use of U-boat was in 1914
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