noun
floss
FLAHSS/flɑːs/
Thin thread used for cleaning between teeth.
A length of floss extends from the dispenser's spool.

Etymology
A tuft of wool or rough silk narrowed to fine thread, then dental thread.
More examples
- A length of floss catches between two teeth.
- She keeps a small container of floss in her washbag.
Forms
floss
Similar words
- dental thread
- Specifically identifies material used between teeth.
- toothpick
- A small rigid tool rather than a thread.