DICT.TW Dictionary Taiwan

 Tardigrada
 緩步綱

 Tar·di·gra·da n. pl.
 1. Zool. A tribe of edentates comprising the sloths. They are noted for the slowness of their movements when on the ground. See Sloth, 3.
 2. Zool. An order of minute aquatic arachnids; -- called also bear animalcules, sloth animalcules, and water bears.
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 Tardigrada
      n : in some classifications considered a separate phylum:
          microscopic arachnid-like invertebrates living in water
          or damp moss having 4 pairs of legs and instead of a
          mouth a pair of stylets or needle-like piercing organs
          connected with the pharynx [syn: class Tardigrada]