Dictionary

glass sponge

noun

Definition of GLASS SPONGE

:  any of a class (Hexactinellida syn. Hyalospongiae) of chiefly deep-water siliceous marine sponges with 6-rayed spicules and a skeleton often resembling glass when dried
ADVERTISEMENT

First Known Use of GLASS SPONGE

1875

Browse

Next Word in the Dictionary: glass towelingPrevious Word in the Dictionary: glass soapAll Words Near: glass sponge
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears