U-boat

(redirected from Unterseeboot)
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U-boat

a German submarine, esp in World Wars I and II
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
U-BOAT is a shortening of the German word Unterseeboot, which means "undersea boat".
Yet, his ideas played an important part in ensuring that Allied shipping could overcome the menace of the German U-boats, the dreaded unterseeboot, not a name to dance from Scouse tongues.
I heard him say Unterseeboot and knew exactly what it was but my mind was searching through possibilities beginning with "under" and not "sub".