Derived from wood

Of, or resembling wood; woody. / (botany) Containing lignin or xylem.

(medicine) A rare condition characterized by chronic, recurrent conjunctivitis associated with a pseudomembrane, and it may involve other mucous membranes in the mouth, nasopharynx, trachea, and vagina.

(computer graphics) Any of the lines along the edge of a voxel, connecting its corners or pointels.

plural of lignel