Defn: A tumor consisting mainly of fibrous tissue, or of same modification of such tissue.

FIBROSPONGIAE Fi`bro*spon"gi*æ, n. pl. Etym: [NL., fr. L. fibra a fiber + spongia a sponge.] (Zoöl.)

Defn: An order of sponges having a fibrous skeleton, including the commercial sponges.

FIBROUS
Fi"brous, a. Etym: [Cf. F. fibreux.]

Defn: Containing, or consisting of, fibers; as, the fibrous coat of the cocoanut; the fibrous roots of grasses. — Fi"brous*ness, n.

FIBROVASCULAR
Fi`bro*vas"cu*lar, a. Etym: [L. fibra a fiber + E. vascular.] (Bot.)

Defn: Containing woody fiber and ducts, as the stems of all flowering plants and ferns; — opposed to cellular.

FIBSTER
Fib"ster, n.

Defn: One who tells fibs. [Jocular]

FIBULA
Fib"u*la, n.; pl. FibulÆ. Etym: [L., clasp, buckle.]