SPONGIOZOA
Spon`gi*o*zo"a, n. pl. Etym: [NL., Gr. (Zoöl.)

Defn: See Sponglæ.

SPONGOBLAST
Spon"go*blast, n. Etym: [Gr. -blast.] (Zoöl.)

Defn: One of the cells which, in sponges, secrete the spongin, or the material of the horny fibers.

SPONGOID
Spon"goid, a. Etym: [Gr. -oid.]

Defn: Resembling sponge; like sponge.

SPONGY
Spon"gy, a.

1. Soft, and full of cavities; of an open, loose, pliable texture; as, a spongy excrescence; spongy earth; spongy cake; spongy bones.

2. Wet; drenched; soaked and soft, like sponge; rainy. "Spongy April." Shak.

3. Having the quality of imbibing fluids, like a sponge. Spongy lead (Chem.), sponge lead. See under Sponge. — Spongy platinum. See under Platinum.