FIBROUS
fibrous, sinewy, stringy, unchewable
(adjective) (of meat) full of sinews; especially impossible to chew
hempen, fibrous
(adjective) having or resembling fibers especially fibers used in making cordage such as those of jute
Source: WordNet® 3.1
Etymology
Adjective
fibrous (comparative more fibrous, superlative most fibrous)
Of or pertaining to fibre.
Containing many fibres - referring mainly to food.
Source: Wiktionary
Fi"brous, a. Etym: [Cf. F. fibreux.]
Definition: Containing, or consisting of, fibers; as, the fibrous coat of
the cocoanut; the fibrous roots of grasses.
– Fi"brous*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition