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SINCE 1828
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mystery ship

noun
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variants: or mystery boat

Definition of mystery ship

: q-boat —first used of one of a class of ships built in England during World War I

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Cite this Entry

“Mystery ship.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/mystery%20ship. Accessed 8 December 2019.

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