U-boat
Submarine Sub`ma*rine", n. 1. A submarine boat; a ship that can travel under the surface of the water. Most such ships are ships of war, as part of a navy, but submarines are also used for oceanic research. Also called {sub} and (from the German U-Boot) {U-boat}. esp., (Nav.), a submarine torpedo boat; -- called specif. {submergible submarine} when capable of operating at various depths and of traveling considerable distances under water, and {submersible submarine} when capable of being only partly submerged, i.e., so that the conning tower, etc., is still above water. The latter type and most of the former type are submerged as desired by regulating the amount of water admitted to the ballast tanks and sink on an even keel; some of the former type effect submersion while under way by means of horizontal rudders, in some cases also with admission of water to the ballast tanks. [Webster 1913 Suppl. +PJC]

2. A stowaway on a seagoing vessel. [Colloq.] [PJC]

3. A {submarine sandwich}. [PJC]

{Nuclear submarine} A submarine powered by a nuclear reactor.

{Attack submarine} A submarine designed to attack other ships, including other submarines.


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • U-boat — is the anglicized version of the German word Audio|De U Boot pronunciation.ogg| U Boot , itself an abbreviation of Unterseeboot (undersea boat), and refers to military submarines operated by Germany, particularly in World War I and World War II.… …   Wikipedia

  • U-boat — [ˈju: bəut US bout] n [Date: 1900 2000; Origin: Translation of German u boot, from unterseeboot under sea boat ] a German ↑submarine, especially one that was used in the Second World War …   Dictionary of contemporary English

  • U-boat — 1916 (said to have been in use from 1913), partial translation of Ger. U Boot, short for Unterseeboot, lit. undersea boat …   Etymology dictionary

  • U-boat — ► NOUN ▪ a German submarine of the First or Second World War. ORIGIN German U boot, abbreviation of Unterseeboot undersea boat …   English terms dictionary

  • U-boat — [yo͞o′bōt΄] n. [< Ger U boot, abbrev. of Unterseeboot, undersea boat] a German submarine …   English World dictionary

  • U-boat — [ ju ,bout ] noun count a German SUBMARINE, used especially during World War II …   Usage of the words and phrases in modern English

  • U-boat — /yooh boht /, n. a German submarine. [1910 15; < G U Boot, short for Unterseeboot lit., undersea boat] * * * German Unterseeboot ( undersea boat ) German submarine. The first German submarine, the U 1, was built in 1905. During World War I… …   Universalium

  • U-Boat — Filmdaten Deutscher Titel U Boat Verweistitel: U Boat – In feindlicher Hand Originaltitel In Enemy Hands …   Deutsch Wikipedia

  • U-Boat — Unterseeboot U 995 …   Wikipédia en Français

  • U-boat — /ˈju boʊt / (say yooh boht) noun a German submarine, especially as used in World War I or World War II. {semi translation of U boot, shortened form of German Unterseeboot undersea boat} At the outbreak of World War I Germany had a fleet of 28 U… …   Australian English dictionary

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