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1. Dental floss.
2. Short or waste silk fibers, especially from the outer surface of the cocoon of a silkworm.
3. Soft, loosely twisted thread, as of silk or cotton, used in embroidery.
4. A downy or silky fibrous substance, such as corn silk or silk cotton.
v. flossed, floss·ing, floss·es
To clean between (teeth) with dental floss.
To use dental floss.
[Perhaps alteration of French floche, tuft of wool, from Old French floc, floche, from Latin floccus.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
an implement which flosses the teeth or facilitates flossinga person who catches fish illegally using a hook baited with a piece of brightly coloured string attached to a weight. The weight drags the string through the fish's mouth until the hook pierces the mouth from the outside
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014