Definify.com
Webster 1913 Edition
Liber
‖
Li′ber
(lī′bẽr)
, Noun.
[L. See
Libel
.] (Bot.)
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.