• A part of a lock whose position must be changed by a key in order to release the bolt (see also: pin tumbler lock, tubular pin tumbler lock, and disc tumbler lock)
• Flat-bottomed glassware and drinkware without a handle, foot, or stem (see also shot glass and old fashioned glass). In British English these are known as beakers.
• A machine for smoothing or polishing the surface of a solid material (see Tumble polishing)
• A type of toy that can tumble over and then straighten up by itself
• An acrobat
• A rum glass
• The button on top of a chess clock
• The pupal stage of a mosquito
• The Tumbler, a tank-like vehicle constructed for the movie Batman Begins
• Tumbler, A fictional human supervillain and enemy of Captain America
• Tumble dryer (clothes dryer)
• Tumbler (pigeon), a pigeon breed known for their particular flight pattern
• Tumblers, unique addresses of bits in text
• Nickname for 43rd U.S. president George W. Bush used by the United States Secret Service

See also

• Tumble