Definitions from Wiktionary ( )

▸ noun:  (military, nautical, historical) A battleship, especially of the World War I era, in which most of the firepower is concentrated in large guns that are of the same caliber.
▸ noun:  (informal) Any type of warship heavier in armour or armament than a typical battleship.
▸ noun:  (by extension) One that is the largest or the most powerful of its kind.
▸ noun:  (music) A type of acoustic guitar with a very large body and a waist that is less pronounced than on other guitar shapes, producing a deep, bold sound.
▸ noun:  A garment made of thick woollen cloth that can defend against storm and cold.
▸ noun:  The cloth itself; fearnaught.
▸ noun:  One that fears nothing.
▸ noun:  Something that assures against fear.

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