tumbler

noun

tum·​bler ˈtəm-blər 

1

: one that tumbles: such as

a

: one who performs tumbling feats : acrobat

b

: any of various domestic pigeons that tumble or roll over backward in flight or on the ground

2

: a drinking glass without foot or stem and originally with pointed or convex base

3

a

: a movable obstruction in a lock (such as a lever, latch, wheel, slide, or pin) that must be adjusted to a particular position (as by a key) before the bolt can be thrown

b

: a piece on which the mainspring acts in a gun's lock

4

: a device or mechanism for tumbling (such as a revolving cage in which clothes are dried)

5

: a worker who operates a tumbler

tumblerful

ˈtəm-blər-ˌfu̇l 

noun

Examples of tumbler in a Sentence

She drank a tumbler of water.

a gymnast who's a skillful tumbler

Recent Examples on the Web

The century-old company has taken off in recent years, producing its tumblers in a never-ending variety of colors and designs, appealing to more female and younger consumers. —David K. Li, NBC News, 12 Dec. 2024

The brand’s biggest sale of the year includes deals on popular tumblers, flasks and accessories for the holiday gifting season. —Kasey Caminiti, USA TODAY, 4 Dec. 2024

This 20-ounce stainless steel tumbler is ideal for younger kids, running quick errands, or sliding in a diaper bag or purse to take on-the-go. —Chaunie Brusie, Rn, Parents, 29 Nov. 2024

There are Walmart rollbacks on pretty much everything, including furniture from The Pioneer Woman, top-selling Apple MacBooks, RTIC tumblers, Beautiful by Drew Barrymore cookware and more. —Kasey Caminiti, USA TODAY, 3 Dec. 2024

Word History

First Known Use

14th century, in the meaning defined at sense 1

Kids Definition

tumbler

noun

tum·​bler ˈtəm-blər 

1

: a person (as an acrobat) who tumbles

2

: a pigeon that often tumbles backward in flight

3

: a drinking glass

a water tumbler

4

: a movable part in a lock that must be adjusted (as by a key) before the lock will open