tumˈbler noun

1. A person who tumbles
2. An acrobat
3. A large drinking-glass or tall cup, formerly one that could not stand
4. A tumblerful
5. A tumbrel
6. A toy weighted to rock and right itself
7. A pigeon that turns back-somersaults in the air
8. A dog that performed antics in catching rabbits (obsolete)
9. A revolving barrel or cage
10. Part of a lock that holds the bolt in place, until it is moved by the key
11. Part of a firearm lock that receives the thrust of the mainspring and forces the hammer forward
12. A member of a gang of London ruffians in the early 18c who set women on their heads (historical)
13. A tumble-drier (see below)
14. A machine consisting of a revolving drum in which (gem)stones are polished (also tumbling barrel or tumbling box)

tumˈblerful noun (pl tumˈblerfuls)

As much as will fill a tumbler

tumˈbling noun and adjective

tumblebug or tumbledung noun (N American)

A dung beetle (from its activity of rolling pellets of dung)

tumble car or tumble cart noun

A vehicle with wheels and axle in one piece

tumˈbledown adjective

Dilapidated, threatening to fall

tumˈble-drīˈer or tumbˈle-dryˈer noun

A machine that dries (clothes, etc) by tumbling them in a strong current of hot air (also tumˈbler-drīˈer or tumˈbler-dryˈer)

tumˈble-dry transitive verb and intransitive verb

To dry (clothes, etc) in a tumble-drier

tumˈblehome noun

The inward curvature of the upper part of the sides of a ship

tumˈbler-switch noun

A switch that is turned over to put electric current off or on

tumˈbleweed noun

A type of plant that snaps off above the root, curls into a ball, and is blown about in the wind

tumbling barrel, tumbling box see tumbler above.

take a tumble to oneself (informal)

To assess one's situation critically and improve it

tumble in or home

1. (of a ship's sides) to incline inward above the extreme breadth
2. To fit, as a piece of timber into other work
3. To go to bed

tumble over

1. To toss about carelessly, to upset
2. To fall over

tumble up

1. To get out of bed
2. To throw into confusion
3. To scurry up on deck