Source : Webster's Revised Unabridged Dictionary (1913)

Fibrous \Fi"brous\, a. [Cf. F. fibreux.]
   Containing, or consisting of, fibers; as, the fibrous coat of
   the cocoanut; the fibrous roots of grasses. --
   {Fi"brous*ness}, n.

Source : WordNet®

fibrous
     adj 1: having or resembling fibers especially fibers used in making
            cordage such as those of jute [syn: {hempen}]
     2: (of meat) full of sinews; especially impossible to chew
        [syn: {sinewy}, {stringy}, {unchewable}]