Noun glass sponge has 1 sense
  1. glass sponge - a siliceous sponge (with glassy spicules) of the class Hyalospongiae
    --1 is a kind of
    sponge, poriferan, parazoan
    --1 is a member of Hyalospongiae, class Hyalospongiae
    --1 has particulars: Venus's flower basket
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