from the GNU version of the Collaborative International Dictionary of English
- n. heliozoans; radiolarians.
from The Century Dictionary and Cyclopedia
- An order of Holothurioidea. The tentacles and podia are supplied by the five radial canals of the water-vascular system springing from the circular canal.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. heliozoans; radiolarians
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