flask

noun

ˈflask 

ˈfläsk

: 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

Flask Carry your beverage with an indestructible swagger with Yeti’s leak-proof flask. —Jaclyn Trop, Robb Report, 10 Dec. 2024

Hearken back to a simpler time with this vintage style flask with a cool tartan pattern. —Megan Ulu-Lani Boyanton, Better Homes & Gardens, 20 Nov. 2024

The corporal later found the trash bag contained empty alcohol drink boxes and a flask with an unknown liquid inside. —Sarah Nelson, The Indianapolis Star, 14 Nov. 2024

These are cells that can grow and live outside of a living organism so they can be kept in a petri dish or a flask. —Eva Amsen, Forbes, 17 Oct. 2024

Word History

Etymology

Middle French flasque powder flask, ultimately from Late Latin flascon-, flasco bottle, probably of Germanic origin; akin to Old High German flaska bottle

First Known Use

1549, in the meaning defined above

Phrases Containing flask

• Erlenmeyer flask
• Florence flask
• hip flask
• vacuum flask

Kids Definition

flask

noun

ˈflask 

: a container shaped like a flattened bottle

Medical Definition

flask

1 of 2 noun

ˈflask 

: 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