Sandpaper is "hHeavy paper coated on one side with sand or other abrasive material and used for smoothing surfaces" (American Heritage Dictionary).

The term is used as a verb as well, "to sandpaper something."



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Note added at 2003-08-25 18:43:46 (GMT)
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Unless your text means \"polishing.\"

To polish is a very general term, used not only for wood, but for any surface (shoes, metal, etc.).

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Note added at 2003-08-25 18:44:53 (GMT)
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If you had provided context, it would have been possible to choose one or the other.