- tumbler
- tumbler [tum′blər]n.1. an acrobat or gymnast who does somersaults, handsprings, etc.2. a dog, such as a small greyhound, formerly trained to seize rabbits after attracting their attention by tumbling about acrobatically3. a kind of pigeon that does somersaults in flight4.a) an ordinary drinking glass without foot or stem: orig., such a glass with a rounded or pointed bottom, that would tumble over when set downb) its contents5. the part of a gunlock through which the mainspring acts upon the hammer6. a lever, pin, etc., whose position within a lock must be changed, as by a key or dial, in order to release the bolt7. a projecting piece, as on a revolving or rocking part, that strikes and moves another part8. a part moving a gear into place in an automobile transmission9. an easily tipped toy that rights itself because of the way it is weighted10.a) a device for tumbling laundered clothes about in hot air until they are dryb) TUMBLING BOX
English World dictionary. V. Neufeldt. 2014.