'Fibrospongiae' definitions:

Definition of 'Fibrospongiae'

From: GCIDE

Fibrospongiae \Fi`bro*spon"gi*[ae]\, prop. n. pl. [NL., fr. L. fibra a fiber + spongia a sponge.] (Zool.) An order of sponges having a fibrous skeleton, including the commercial sponges. [1913 Webster]