Source : Webster's Revised Unabridged Dictionary (1913)

Lignose \Lig*nose"\ (l[i^]g*n[=o]s"), Lignous \Lig"nous\
   (l[i^]g"n[u^]s), a. [L. lignosus, fr. lignum wood: cf. F.
   ligneux. Cf. {Ligneous}.]
   Ligneous. [R.] --Evelyn.