glass sponge

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a siliceous sponge (with glassy spicules) of the class Hyalospongiae
• Hypernyms:
sponge, poriferan, parazoan
• Hyponyms:
Venus's flower basket
• Member Holonyms:
Hyalospongiae, class Hyalospongiae