1. In Greek mythology, sea nymphs; daughters of Nereus, the old man of the sea.
Usage: plural of nereid; often capitalized when referring to the mythological beings; classical/literary context
2. Any marine worm of the family Nereididae, having a segmented body with paired appendages.
Usage: zoology; lowercase when referring to the marine organisms

Examples

• In Homer's epics, the Nereids attended Achilles and mourned his death.
• The ancient Greeks believed the Nereids protected sailors at sea.
• Marine biologists studied the nereids collected from the rocky shore.
• Nereids are common in tide pools and shallow coastal waters.
• The mythology of the Nereids influenced ancient Greek art and literature.