Spongocoel Definition
 spŏnggə-sēl 
    noun
  
 The central cavity of a sponge, which opens to the outside by way of the osculum.
 American Heritage 
Other Word Forms of Spongocoel
Noun
Singular:
 spongocoelPlural:
 spongocoelsOrigin of Spongocoel
Greek spongo- sponge (from spongos) –coel
From American Heritage Dictionary of the English Language, 5th Edition
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