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Definition of flask

flask

/flæsk/
flask

Plural:flasks
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flask Lexical Profile

flask Game Scores & Validity

• noun

1

A small glass container, typically with a wide base and a narrow neck, used in scientific laboratories for holding, mixing, or heating liquids.

Example

"The chemist carefully poured the acidic solution into the Erlenmeyer flask."


2

A flat, typically metal container specifically designed for carrying a small amount of alcoholic beverage in a pocket.

Example

"He took a quick sip of whiskey from the silver flask hidden in his coat pocket before walking onto the stage."


3

British A double-walled insulated container used to keep liquids hot or cold for extended periods.

Example

"She packed some sandwiches and a flask of hot tea for the long hike across the moors."

Synonyms
View all synonyms for flask

• Rhymes for flask

Word Origin & Etymology

From Late Latin 'flasco' or 'flasca' meaning 'bottle', which entered Old English as 'flasce' and Old French as 'flache', later evolving into the modern English 'flask'.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Flask. In Wordmom Dictionary. Retrieved Oct 15, 2026, from https://wordmom.com/dictionary/flask
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