Noun
(furniture) A tall chest of drawers, or combination of chest on chest, or chest with a small wardrobe on top. Usually with low bracket feet but always resulting in a tall piece of furniture.
Coordinate term: (without the wardrobe) lowboy
(US) A tall beer can, either 16 or 24 ounces (473 or 710ml).
(nautical) A kind of sail, a spanker.
A kind of long-stemmed wineglass or cup.
A long sheet-metal pipe for a chimney top.
Tallboy (countable and uncountable, plural Tallboys)
(military, historical) An earthquake bomb developed for the British Armed Forces and deployed by the RAF during World War II.