What is "bark bed"

Bard \Bard\, n. [Akin to Dan. & Sw. bark, Icel. b["o]rkr, LG. & HG. borke.]

1. The exterior covering of the trunk and branches of a tree; the rind.

2. Specifically, Peruvian bark.

   Bark bed. See Bark stove (below).

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

   Bark stove (Hort.), a glazed structure for keeping tropical plants, having a bed of tanner's bark (called a bark bed) or other fermentable matter which produces a moist heat.