American English
/flæsk̚/
One syllable.
A small container with a narrow neck for carrying liquid, especially an alcoholic drink.
Practice out loudA small container with a narrow neck for carrying liquid, especially an alcoholic drink.
He carried a flask in his coat pocket.
She filled the flask with water before the hike.
a metal flask · carry a flask · fill a flask
A glass container used in science, usually with a narrow neck and a wider body.
The student poured the liquid into a glass flask.
The flask broke during the experiment.
glass flask · laboratory flask · round-bottom flask
a small, usually flat container for carrying an alcoholic drink in a pocket
He kept a hip flask in his coat.
a laboratory container with a wide, cone-shaped body and a narrow neck
The solution was heated in an Erlenmeyer flask.