: the shell of a marine animal and especially a mollusk
Examples of seashell in a Sentence
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Inside the pile of rocks at Delray Beach’s Anchor Park, there are hundreds of seashells, but most are broken, cracked, smashed or otherwise beaten up.—Lois K. Solomon, Sun Sentinel, 27 Feb. 2026 Photos show the sword covered in seashells and other marine sediment.—Kerry Breen, CBS News, 24 Feb. 2026 Pearl appliqués, a milky white base, 3D seashell designs, and reflective lavender chrome make this a manicure fit for a mermaid.—Kara Jillian Brown, InStyle, 19 Feb. 2026 Kilday shared that some of her favorite activities on the island are hunting for shark teeth and seashells, watching pelicans dive for their next meal, and soaking up the peaceful views of boats drifting across the horizon.—Abby Price, Southern Living, 17 Feb. 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