(definition) by Webster 1913 Wed Dec 22 1999 at 2:04:56

Plu"te*us (?), n.; pl. L. Plutei (#), E. Pluteuses (#). [L., a shed.] Zool.

The free-swimming larva of sea urchins and ophiurans, having several long stiff processes inclosing calcareous rods.

 

© Webster 1913.

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