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floss

[flaws, flos] /flɔs, flɒs/
noun, Also called floss silk (for defs 1-3).
1.
the cottony fiber yielded by the silk-cotton tree.
2.
silk filaments with little or no twist, used in weaving as brocade or in embroidery.
3.
any silky, filamentous matter, as the silk of corn.
verb (used without object)
5.
to use dental floss on the teeth.
verb (used with object)
6.
to clean (the teeth) with dental floss.
Origin
1750-1760
1750-60; probably < French floche, as in soie floche floss silk, Old French flosche down, velvet pile (of uncertain origin)
Related forms
flosser, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for floss-silk

floss

/flɒs/
noun
1.
the mass of fine silky fibres obtained from cotton and similar plants
2.
any similar fine silky material, such as the hairlike styles and stigmas of maize or the fibres prepared from silkworm cocoons
3.
untwisted silk thread used in embroidery, etc
4.
verb
5.
(transitive) to clean (between one's teeth) with dental floss
Word Origin
C18: perhaps from Old French flosche down
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 floss-silk
floss
"rough silk," 1759, from Fr. floche "tuft of wool," from floc, from L. floccus "tuft of wool." Or from an unrecorded O.E. or O.N. word from the root of Du. flos "plush" (17c.). In "The Mill on the Floss" the word Floss is the proper name of a fictitious river in the Eng. Midlands.
Online Etymology Dictionary, © 2010 Douglas Harper
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