Definition of Floss

Floss

1. The slender styles of the pistillate flowers of maize; also called silk.
2. Untwisted filaments of silk, used in embroidering.
3. A small stream of water.
4. Fluid glass floating on iron in the puddling furnace, produced by the vitrification of oxides and earths which are present.
5. A body feather of an ostrich. Flosses are soft, and gray from the female and black from the male.