U-boat
GERMAN SUBMARINE OF THE FIRST OR SECOND WORLD WAR
Unterseeboot; U-Boat; U Boat; U boat; Uboat; U-boats; German submarines; German submarine; German U-boats; U-Boats; U boats; U boot; U-Boot; German U-boat; Eiserne Särge; Undersea boat; Underseaboat
¦ noun a German submarine of the First or Second World War.
Origin
from Ger. U-boot, abbrev. of Unterseeboot 'undersea boat'.