Bark.
Bark. The tough outer covering of the woody stems of trees, shrubs, and other woody plants as distinguished from the cambium and inner wood.
Source
7 CFR § 301.45-1
Scoping language
Terms used in the singular form in this subpart shall be construed as the plural, and vice versa, as the case may demand. The following terms, when used in this subpart, shall be construed, respectively, to mean: