Silicoidea
Pronunciation : Sil`i*coi"de*a
Part of Speech : n.
Etymology : [NL. See Silex, and -oid.] (Zo?l.)
Definition : Defn: An extensive order of Porifera, which includes those that have the skeleton composed mainly of siliceous fibers or spicules.
pl.
Source : Webster's Unabridged Dictionary, 1913