Designating or of wood fibers which are elongated and have simple pits.
Webster's New World
(botany) Resembling or having the form of liber, or bast.
Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.