LIBER
Etymology
Noun
liber (countable and uncountable, plural libers)
(botany) The inner bark of plants, next to the wood. It usually contains a large proportion of woody, fibrous cells, and is the part from which the fibre of the plant is obtained, as that of hemp, etc.
Anagrams
• Erbil, birle, libre
Source: Wiktionary
Li"ber, n. Etym: [L. See Libel.] (Bot.)
Definition: The inner bark of plants, lying next to the wood. It usually
contains a large proportion of woody, fibrous cells, and is,
therefore, the part from which the fiber of the plant is obtained, as
that of hemp, etc. Liber cells, elongated woody cells found in the
liber.
Source: Webster’s Unabridged Dictionary 1913 Edition