glass sponge

1. 1.

   a siliceous sponge (with glassy spicules) of the class Hyalospongiae

   Broadersponge

   NarrowerVenus's flower basket

   Part ofHyalospongiae

Questions about glass sponge

What does glass sponge mean?

glass sponge means "a siliceous sponge (with glassy spicules) of the class Hyalospongiae".

Is glass sponge a common word?

glass sponge is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.