spongĭōsus

a, um, adj.

id.

I. spongy, porous (post-Aug.): pulmo, Cels. 4, 1; Plin. 11, 37, 72, § 188: pumices, id. 36, 21, 42, § 155: panis, id. 18, 11, 27, § 105.
Lewis & Short
A Latin Dictionary, 1879
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