tanbark

(tan′bärk′)

noun

any bark containing tannin, used to tan hides and, after the tannin has been extracted, to cover racetracks, circus rings, etc.

See tanbark in American Heritage Dictionary 4

noun

The bark of various trees used as a source of tannin.
Shredded bark from which the tannin has been extracted, used to cover circus arenas, racetracks, and other surfaces.
See tan oak.

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