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• nereid
  nereid

  noun

  any elongate cylindrical worm of the polychaete family Nereididae, including clamworms.
• Nereid
  Nereid

  noun

  any of the 50 daughters of Nereus; a sea nymph.

nereid

¹ American  

[neer-ee-id] / ˈnɪər i ɪd /

noun

1. any elongate cylindrical worm of the polychaete family Nereididae, including clamworms.

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adjective

1. of or relating to the family Nereididae.

Nereid ² American  

[neer-ee-id] / ˈnɪər i ɪd /

noun

1. (sometimes lowercase) any of the 50 daughters of Nereus; a sea nymph.

2. Astronomy. a moon of the planet Neptune.

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Nereid ¹ British  

/ ˈnɪərɪɪd /

noun

1. Greek myth any of the 50 sea nymphs who were the daughters of the sea god Nereus

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Nereid ² British  

/ ˈnɪərɪɪd /

noun

1. a satellite of the planet Neptune, in a large and highly eccentric orbit

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Etymology

Origin of nereid¹

1830–40; < New Latin Nereididae family name; see Nereid, -idae

Origin of Nereid²

< Latin Nērēid- (stem of Nērēis ) < Greek, stem of Nērēís. See Nereus, -id ¹

Example Sentences

See Examples For:

nereid Nereid

She looks like a nereid, guarding the sea behind her, ready to kick away underwater when it rushes in.

From The New Yorker ● May 19, 2017

“What was that nereid trying to say to you?”

From "Impossible Creatures" by Katherine Rundell

The nereid reached out and pulled Mal onto the back of the hippocamp.

From "Impossible Creatures" by Katherine Rundell

But Ino saw him—Ino, Kadmos’ daughter, slim-legged, lovely, once an earthling girl, now in the seas a nereid, Leukothea.

From "The Odyssey" by Homer

Without warning, the nereid thrust Mal at him and vanished underwater.

From "Impossible Creatures" by Katherine Rundell

That research suggests Nereid may be the only moon from that original system to have survived intact.

From Science Daily ● Aug. 14, 2026

A fresco bearing an image of a Nereid nymph riding a seahorse and gladiators in combat had been unearthed previously.

From The Guardian ● Dec. 26, 2020

INGLEWOOD, Calif. — Trainer John Shirreffs’ Nereid and Jeff Bonde’s Cambina finished in a dead-heat tie for victory in the Grade 1, $250,000 American Oaks on Saturday at Hollywood Park.

From Washington Post ● Jul. 17, 2011

Nereid, trained by John Shirreffs and ridden by Joe Talamo, paid $5.40 to win in the $250,000 race.

From Seattle Times ● Jul. 17, 2011

I took the pearls out of my pocket, the three milky spheres the Nereid had given me in Santa Monica.

From "The Lightning Thief" by Rick Riordan