1. A large vessel, usually of metal or pottery, with a handle and spout and often a lid, used for holding wine or other liquors.
2. The quantity of liquid that such a vessel can hold.
[Middle English, from Old French flacon, from Late Latin flascō, flascōn-, bottle; see FLASK.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.