Learn how to say Floss correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word floss:
1the rough silk enveloping a silkworm’s cocoon.
(also floss silk) untwisted silk fibres used in embroidery.
the silky down in maize and other plants:
2short for dental floss.
1 [with object] clean between (one’s teeth) with dental floss.
2 [no object] black slang behave in a flamboyant manner; show off.
mid 18th century: from French (soie) floche ‘floss (silk)’, from Old French flosche ‘down, nap of velvet’, of unknown origin