floss (flosses 3rd person present) (flossing present participle) (flossed past tense & past participle )
1 n-uncount You can use floss to refer to fine soft threads of some kind.
Craft Resources also sells yarn and embroidery floss.
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candyfloss
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dental floss
2 verb When you floss, you use a special kind of strong string to clean between your teeth and gums.
Brush your teeth after each meal and floss daily... V
dental floss
Dental floss is a type of thread that is used to clean the gaps between your teeth. n-uncount
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floss