Definitions for tanbarkˈtænˌbɑrk
Random House Webster's College Dictionary
the bark of the oak, hemlock, etc., bruised and broken by a mill and used esp. in tanning hides.
a surface covered with pieces of tanbark, esp. a circus ring.
Category: Common Vocabulary
Origin of tanbark:
bark rich in tannin; bruised and cut in pieces to use for tanning; spent tanbark used as a ground covering
The bark of the oak (or other trees) used as a source of tannin
The spent bark used as a ground covering