noun
flask
FLAHSK
noun
1
A narrow-necked container, usually of metal or glass, used to hold and carry liquids.
"He kept a small flask of whiskey tucked in his coat pocket."
"The hikers filled their flasks before setting off up the trail."
2
A piece of laboratory glassware with a narrow neck and wider base, used to hold and mix liquids.
"She heated the solution in a glass flask over the burner."
How to Use Flask
Learner’s notesIn plain EnglishA small bottle-like container, whether a pocket flask for spirits or a lab vessel for chemicals.
Common pairings
hip flask
flask of coffee
laboratory flask
Word Forms
flasked past tense, flasks plural, flasks singular
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He kept a small _____ of whiskey tucked in his coat pocket.
Etymology
From Old English flaxe and Medieval Latin flasco, both going back to a Germanic word for a wicker-covered bottle. Related to "fiasco" and "flagon."