Tanbark (noun)

1. The bark of certain trees, such as oak and hemlock, used for tanning leather.
2. A surface covered with tanbark, used for athletic activities or as a playground surface.

Origin:

From middle english 'tannebark', from 'tannen' meaning to tan or cure with tannin and 'bark' meaning the outer covering of a tree.

Examples:

1. The tanner purchased a shipment of oak tanbark to use in his leather tanning process.
2. The leatherworker carefully applied the tannin-rich tanbark to the animal hides to produce high-quality leather.
3. The children enjoyed playing on the playground's tanbark surface, which was soft and cushioned their falls.
4. The athletes trained on the track's tanbark surface, which provided good traction and reduced the risk of injuries.
5. The horse stable used hemlock tanbark for its stall floors, which helped absorb moisture and control odors.