A nymph or goddess of the sea; one of the inferior classical divinities called Oceanids.(noun)
The Century Dictionary (Public Domain)
Use "sea-nymph" in a sentence
"An American with a put-on Australian accent, a sea-nymph, was listening to us—he said she was rubbing up on him during the story, but I couldn't see it because she was on his other side."
"CUT TO: Baltar radio address (people are still interested in hearing his drivel?) where he describes angels, and looks at Head Six (now in a more demure white dress, not that weird sea-nymph outfit) as he says they're real and I see one and "they take the form of those nearest and dearest to you.""
"Like the legendary Greek warrior – whose sea-nymph mother dipped him in protective waters except for his heel – the United States was blessed with institutional safeguards devised by wise Founders who translated lessons from the Age of Reason into a brilliant constitutional framework of checks and balances."