: a container often somewhat narrowed toward the outlet and often fitted with a closure: such as
a
: a broad flattened necked vessel used especially to carry an alcoholic beverage on the person
b
British
: thermos
Examples of flask in a Sentence
Recent Examples on the Web
Fixed a bug where levels would decrease without healing from flasks when False Blessing occured during the battle against Everdark Sovereign Equilibrious Beast.
—
Oliver Brandt, MSNBC Newsweek, 10 Sep. 2025
The bespoke fragrance service Floris offers is not an especially expensive process; a two-hour consultation costs £750 and includes a 100ml flask in Floris’s Art Deco glass design.
—Sarah Turner, Forbes.com, 31 Aug. 2025
Then Gilmore flamed out, lost everything, and became a dedicated boozer, making flasks out of everything from cucumbers to cuckoo clocks.
—David Fear, Rolling Stone, 25 July 2025
Anderson also sold hard hats, flasks and tumblers made by his company, a business that personalizes products through a process called hydro dripping.
—Scott Wartman, The Enquirer, 2 July 2025
See All Example Sentences for flask
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Oliver Brandt, MSNBC Newsweek, 10 Sep. 2025
The bespoke fragrance service Floris offers is not an especially expensive process; a two-hour consultation costs £750 and includes a 100ml flask in Floris’s Art Deco glass design.
—Sarah Turner, Forbes.com, 31 Aug. 2025
Then Gilmore flamed out, lost everything, and became a dedicated boozer, making flasks out of everything from cucumbers to cuckoo clocks.
—David Fear, Rolling Stone, 25 July 2025
Anderson also sold hard hats, flasks and tumblers made by his company, a business that personalizes products through a process called hydro dripping.
—Scott Wartman, The Enquirer, 2 July 2025
See All Example Sentences for flask
Cite this Entry
“Flask.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flask. Accessed 14 Sep. 2025.
Copy CitationKids Definition
flask
noun
: a container shaped like a flattened bottle
Medical Definition
flask
1 of 2 noun
: a container often somewhat narrowed toward the outlet and often fitted with a closure: as
a
: any of various usually blown-glass vessels used for technical purposes in a laboratory
b
: a metal container in which the materials used to form a dental restoration (as a denture) are processed
flask
2 of 2 transitive verb
: to place (a denture) in a flask for processing
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