Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The central cavity of a sponge, which opens to the outside by way of the osculum.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun zoology The large, central cavity of
sponges
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[Greek spongo-, sponge (from spongos) + –coel.]
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Examples
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