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[flask, flahsk] /flæsk, flɑsk/
a bottle, usually of glass, having a rounded body and a narrow neck, used especially in laboratory experimentation.
a flat metal or glass bottle for carrying in the pocket:
a flask of brandy.
an iron container for shipping mercury, holding a standard commercial unit of 76 pounds (34 kg).
Metallurgy. a container into which sand is rammed around a pattern to form a mold.
Origin of flask1
1375-1425; late Middle English: cask, keg < Anglo-French, Old French flaske < Late Latin flasca, earlier flascō, of uncertain origin; compare Old English flasce, flaxe, Old High German flasca (German flasche); cf. flagon


[flask, flahsk] /flæsk, flɑsk/
noun, Ordnance
the armored plates making up the sides of a gun-carriage trail.
Obsolete. the bed of a gun carriage.
1570-80; < dialectal French flasque cheek of a gun carriage < Late Latin flasca flask1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for flask
Contemporary Examples
Historical Examples
  • The captain made no answer, but pointed to them over the fireplace, where they hung, with a flask of powder and a bag of bullets.

    Washed Ashore W.H.G. Kingston
  • "You should have been in," Duke said, handing the flask back.

    Victory Lester del Rey
  • Put the flask on a ring stand and, holding it steady, fasten the neck of the flask with a clamp that is attached to the stand.

    Common Science Carleton W. Washburne
  • Yes; but it is a good way off, and I only had my flask with me.

    The Crystal Hunters George Manville Fenn
  • I have a flask of brandy and water with me, Mr. Glover, in case you should feel faint or exhausted.

    A Roving Commission G. A. Henty
  • Hendrika, I fear he dies; there is a flask of brandy in my saddle-bag; get it.

    Allan's Wife H. Rider Haggard
British Dictionary definitions for flask


a bottle with a narrow neck, esp used in a laboratory or for wine, oil, etc
Also called hip flask. a small flattened container of glass or metal designed to be carried in a pocket, esp for liquor
a container packed with sand to form a mould in a foundry
(engineering) Also called cask, coffin. a container used for transporting irradiated nuclear fuel
Word Origin
C14: from Old French flasque, flaske, from Medieval Latin flasca, flasco, perhaps of Germanic origin; compare Old English flasce, flaxe
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for flask

mid-14c., from Medieval Latin flasco "container, bottle," from Late Latin flasconem "bottle," perhaps from a Germanic source (cf. Old English flasce, Old High German flaska, Middle Dutch flasce, German Flasche "bottle"), and if so, perhaps originally meaning "a bottle plaited round, case bottle" (cf. Old High German flechtan "to weave," Old English fleohtan "to braid, plait"), from Proto-Germanic base *fleh- (see flax).

Another theory traces it to a metathesis of Latin vasculum. "The assumption that the word is of Teut. origin is chronologically legitimate, and presents no difficulty exc. the absence of any satisfactory etymology" [OED].

Online Etymology Dictionary, © 2010 Douglas Harper
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flask in Science
A rounded container with a long neck, used in laboratories.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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