Origin: earlier also flosh < Fr floche, downy, woolly (in soie floche, floss silk), ult. < L floccus: see floccus
transitive verb, intransitive verb
See floss in American Heritage Dictionary 4
Origin: Perhaps alteration of French floche, tuft of wool
Origin: , from Old French floc, floche
Origin: , from Latin floccus.
Learn more about floss