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.

(Greek mythology) any of the 50 sea nymphs who were daughters of the sea god Nereus

The smallest moon of Neptune was discovered by Gerard Kuiper in May 1, 1949. Nereid is also designated as "Neptune II". In Greek mythology, the Nereid were sea-nymphs.

In myth, female spirits of the sea.