U-boat
Noun. Any German submarine of the First or Second World War, or any Austro-Hungarian submarine of the First World War.This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.
This entry was last updated on RefTopia from its source on 3/20/2012.