tumbler
1. One who tumbles; one who plays tricks by various motions of the body; an acrobat.
2. 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.
3. A piece attached to, or forming part of, the hammer of a gunlock, upon which the mainspring acts and in which are the notches for sear point to enter.
4. A drinking glass, without a foot or stem; so called because originally it had a pointed or convex base, and could not be set down with any liquor in it, thus compelling the drinker to finish his measure.
5. (Science: zoology) A variety of the domestic pigeon remarkable for its habit of tumbling, or turning somersaults, during its flight.
6. (Science: zoology) A breed of dogs that tumble when pursuing game. They were formerly used in hunting rabbits.
7. A kind of cart; a tumbrel.
Dictionary > Tumblers
You will also like...
Still Water Animals
Animals living in aquatic habitats have diversified and evolved through time. They eventually occupy ecological niches a..
Adaptation Tutorial
Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..
Plant Meristems and Growth
In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..
Meiosis – The Genetics of Reproduction
Meiosis is a form of cell division that creates gametes. It is comprised of two divisions that in the end, the resulting..
Genetic Information and Protein Synthesis
Genes are expressed through the process of protein synthesis. This elaborate tutorial provides an in-depth review of the..
Sugar Homeostasis
The blood sugar level is regulated by two hormones. The mechanism behind this type of negative feedback control is descr..