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flask

flask [ flask ] (plural flasks)


noun 
Definition:
 
1. small bottle: a small glass bottle, often with a long neck, of the type used in laboratory work

2. small flat container for alcohol: a small thin flat container with a narrow neck, carried in a pocket and usually used to hold liquor

3. Caribbean half a bottle of rum: in Trinidad, half a bottle of rum ( informal )

4. arms history 
Same as  powder flask


5. metallurgy mold used in foundry: a frame packed full of sand, used in a foundry to make a mold

6. energy container for spent nuclear fuel: a very strong container in which irradiated nuclear fuel is transported

[14th century. < medieval Latin flasca, late Latin flascon-]
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