Simple Definition of seashell

from our Learner's Dictionary

seashell

noun

ˈsiːˌʃɛl

plural seashells

: the hard, empty shell of a small sea creature (such as a clam)

She collects seashells.

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“Seashell.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/seashell. Accessed 15 Jun. 2026.

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