Definition of Spongilla
: a genus (the type of the family Spongillidae) of siliceous freshwater sponges that are usually green in color and form incrustations on submerged objects
spongillid\-lə̇d\ noun, plural
spongilline\-iˌlīn, -ilə̇n\ adjective
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Origin and Etymology of spongilla
New Latin, from Latin spongia sponge + New Latin -illa
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