| 1. | a soft, thick, light-yellow leather with a napped surface, originally made from buffalo skin but later also from other skins, used for making belts, pouches, etc. |
| 2. | a brownish-yellow color; tan. |
| 3. | a buff stick or buff wheel. |
| 4. | a devotee or well-informed student of some activity or subject: Civil War buffs avidly read the new biography of Grant. |
| 5. | Informal. the bare skin: in the buff. |
| 6. | Also called buffcoat. a thick, short coat of buffalo leather, worn esp. by English soldiers and American colonists in the 17th century. |
| 7. | Informal. a buffalo. |
| 8. | having the color of buff. |
| 9. | made of buff leather. |
| 10. | Slang. physically attractive; muscular. |
| 11. | to clean or polish (metal) or give a grainless finish of high luster to (plated surfaces) with or as if with a buff stick or buff wheel. |
| 12. | to polish or shine, esp. with a buffer: to buff shoes. |
| 13. | to dye or stain in a buff color. |
