Bark v. t. : To strip the bark from; to peel.

Bark v. t. : To abrade or rub off any outer covering from; as to bark one's heel.

Bark v. t. : To girdle. See Girdle, v. t., 3.

Bark v. t. : To cover or inclose with bark, or as with bark; as, to bark the roof of a hut.

Bark v. i. : To make a short, loud, explosive noise with the vocal organs; -- said of some animals, but especially of dogs.

Bark v. i. : To make a clamor; to make importunate outcries.

Bark n. : The short, loud, explosive sound uttered by a dog; a similar sound made by some other animals.

Bark n. : Alt. of Barque

Example:
How do you get your dog to Bark when the doorbell rings?

Taxonomy
bark, stems, cork, periderm, layer, cork cambium, cells, tissues, trees, epidermis, phloem, plants, phellem, inner bark, cortex, phellogen, phelloderm, outer bark.

Defination from the web:
bark, which in older stems is living tissue, includes the innermost area of the periderm. ... The outer bark on trees is also called the rhytidome. Products used by people that are derived from bark include: spices and other flavorings, tannin, resin, latex, medicines, ...