noun
Meaning 1
A vitreous sponge of the order Hexactinellida, with a long stem, consisting of a bundle of long glassy siliceous fibres twisted together.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: glass sponge
Antonyms: none provided