Rotifer
noun
1.
any microscopic animal of the phylum (or class) Rotifera, found in fresh and salt waters, having one or more rings of cilia on the anterior end.
noun
1.
any minute aquatic multicellular invertebrate of the phylum Rotifera, having a ciliated wheel-like organ used in feeding and locomotion: common constituents of freshwater plankton Also called wheel animalcule
rotifer
(rō’tə-fər)
Any of various tiny, multicellular aquatic animals of the phylum Rotifera, having a wheel-like ring of cilia at their front ends. The cilia trap small organisms for food. Rotifers are grouped by some scientists together with nematodes and some other invertebrates as aschelminths.
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