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Webster's 1913 Dictionary
SILICOIDEA
Sil `i *
coi
"
de
*a, n.
pl.
Etym:
[
NL.
See
Silex,
and
-oid.] (Zoöl.)
Defn:
An
extensive
order
of
Porifera,
which
includes
those
that
have
the
skeleton
composed
mainly
of
siliceous
fibers
or
spicules.
The Wordsmith Dictionary
The Wordsmith Dictionary