flask

1 ENTRIES FOUND:
flask /ˈflæsk/ Brit /ˈflɑːsk/ noun
plural flasks
flask
/ˈflæsk/ Brit /ˈflɑːsk/
noun
plural flasks
Britannica Dictionary definition of FLASK
[count]
1 
: a container that is shaped like a flattened bottle and that is used to carry alcohol
— called also hip flask
2 
: a glass bottle used in scientific laboratories
3 
British : thermos