: the shell of a marine animal and especially a mollusk
Examples of seashell in a Sentence
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Overlooking the bay of Porto Rafael, an area on the island’s northern coast famous for its remote location and its scenic beauty, the house resembles a seashell.—
Francesca Longoni,
Architectural Digest,
30 Oct. 2026 The second prosecution, which is still pending, accuses him of threatening the president in a photo of seashells posted on social media.—
Nate Perez,
NPR,
26 Oct. 2026 In the alkaline stream, calcium in the seawater converts CO₂ into calcium carbonate, the durable compound seashells are made of.—
Alec Luhn,
Scientific American,
20 Oct. 2026 The signature restaurant, Le Pressoir d’Argent, is a stunner with a rocaille decor (seashells set into elaborate plaster moldings) and a sublime seafood menu.—
Condé Nast,
Condé Nast Traveler,
11 Oct. 2026 See All Example Sentences for seashell
Word History
First Known Use
before the 12th century, in the meaning defined above
Time Traveler
The first known use of seashell was
before the 12th century