Bark pit

a pit filled with bark and water, in which hides are steeped in tanning.

See also: Bard

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
The area and climbing frame currently stand on an old bark pit, which is adequate and passes safety standards but is very inaccessible for small children and those with disabilities.