"floss" in the noun sense
a soft loosely twisted thread used in embroidery
2. dental floss, floss
a soft thread for cleaning the spaces between the teeth
"floss" in the verb sense
use dental floss to clean
"floss your teeth after every meal"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License