What is Floss?
Floss definition and meaning on Dictionary terms:
noun Also called floss silk (for defs 1, 3).
the cottony fiber yielded by the silk-cotton tree.
silk filaments with little or no twist, used in weaving as brocade or in embroidery.
any silky, filamentous matter, as the silk of corn.
verb (used without object)
to use dental floss on the teeth.
verb (used with object)
to clean (the teeth) with dental floss.