DICT.TW Dictionary Taiwan

 ne·re·id /ˈnɪriəd/
 海精,海的女神,沙蠶

 Ne·re·id n.; pl. E. Nereids L. Nereides
 1. Class. Myth. A sea nymph, one of the daughters of Nereus, who were attendants upon Neptune, and were represented as riding on sea horses, sometimes with the human form entire, and sometimes with the tail of a fish.
 2. Zool. Any species of Nereis.  The word is sometimes used for similar annelids of other families.
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 Nereid
      n : (Greek mythology) any of the 50 sea nymphs who were
          daughters of the sea god Nereus