tumbler in Russian

A movable obstruction in a lock, consisting of a lever, latch, wheel, slide, or the like, which must be adjusted to a particular position by a key or other means before the bolt can be thrown in locking or unlocking.

A drinking glass that has no stem, foot, or handle — so called because such glasses originally had a pointed or convex base and could not be set down without spilling. This compelled the drinker to finish their measure.

A variety of the domestic pigeon remarkable for its habit of tumbling, or turning somersaults, during its flight.