ubåt

From u- +‎ båt, abbreviation of undervannsbåt, after German U-Boot.

ubåt m (definite singular ubåten, indefinite plural ubåter, definite plural ubåtene)

1. a submarine

• “ubåt” in The Bokmål Dictionary.

From u- +‎ båt, abbreviation of undervassbåt, after German U-Boot.

ubåt m (definite singular ubåten, indefinite plural ubåtar, definite plural ubåtane)

1. a submarine

• “ubåt” in The Nynorsk Dictionary.

• u-båt

Clipping of undervattensbåt.

ubåt c

1. a submarine; a boat that goes under water
2. (slang) a shot of hard liquor (such as Jägermeister) which is dropped into a glass of beer

• ubåt in Svensk ordbok.