1
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
Examples of tumbler in a Sentence
She drank a tumbler of water.
a gymnast who's a skillful tumbler
Recent Examples on the Web
Mug $30 $26 Fellow This tumbler is sleeker than any cup needs to be, honestly.
—
Jessica Kasparian, SELF, 31 Jan. 2025
The tumblers range from 12 to 20 ounces and come in a variety of different colors including white, black and green, the agency said.
—Karina Tsui, CNN, 13 Dec. 2024
Plus, the handle is 8 inches long, which works with deep bowls and on-the-go smoothie tumblers without creating a mess.
—Ali Faccenda, People.com, 7 Dec. 2024
For the past ten years, the room has filled with fans of Cirque’s unique mix of acrobats, tumblers, strong men and trapeze artists along with the central characters of the Joya story.
—Eric Fuller, Forbes, 22 Jan. 2025
See all Example Sentences for tumbler 
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Jessica Kasparian, SELF, 31 Jan. 2025
The tumblers range from 12 to 20 ounces and come in a variety of different colors including white, black and green, the agency said.
—Karina Tsui, CNN, 13 Dec. 2024
Plus, the handle is 8 inches long, which works with deep bowls and on-the-go smoothie tumblers without creating a mess.
—Ali Faccenda, People.com, 7 Dec. 2024
For the past ten years, the room has filled with fans of Cirque’s unique mix of acrobats, tumblers, strong men and trapeze artists along with the central characters of the Joya story.
—Eric Fuller, Forbes, 22 Jan. 2025
See all Example Sentences for tumbler
Dictionary Entries Near tumbler
Cite this Entry
“Tumbler.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tumbler. Accessed 11 Feb. 2025.
Copy CitationKids 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
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