Definition of: growler

(grou′lər) noun
1. One who or that which growls.
2. U.S. Slang A vessel in which beer is carried home from the place of sale.
3. Brit. Slang A four-wheeled cab.
4. Electr. A device which indicates the presence of a short circuit by a growling sound produced by two field poles arranged as in a motor.
5. An irregular fragment of an iceberg or mass of floe ice large enough to be dangerous to ships.