verb, tanned, tan⋅ning, noun, adjective, tan⋅ner, tan⋅nest.| 1. | to convert (a hide) into leather, esp. by soaking or steeping in a bath prepared from tanbark or synthetically. |
| 2. | to make brown by exposure to ultraviolet rays, as of the sun. |
| 3. | Informal. to thrash; spank. |
| 4. | to become tanned. |
| 5. | the brown color imparted to the skin by exposure to the sun or open air. |
| 6. | yellowish brown; light brown. |
| 7. | tanbark. |
| 8. | of the color of tan; yellowish-brown. |
| 9. | used in or relating to tanning processes, materials, etc. |
| 10. | tan someone's hide, Informal. to beat someone soundly: She threatened to tan our hides if she found us on her property again. |

nt]
| 1. | in immediate physical contact; touching. |
| 2. | Geometry.
|
| 3. | tangential (def. 3). |
| 4. | Geometry. a line or a plane that touches a curve or a surface at a point so that it is closer to the curve in the vicinity of the point than any other line or plane drawn through the point. |
| 5. | Trigonometry.
|
| 6. | the upright metal blade, fastened on the inner end of a clavichord key, that rises and strikes the string when the outer end of the key is depressed. |
| 7. | off on or at a tangent, digressing suddenly from one course of action or thought and turning to another: The speaker flew off on a tangent. |

| tan 2 abbr. Mathematics tangent |
Tan (tān) n. pl. Tan or Tans See Tanka. |
| tan tangent |
| TAN teeny area network |