seashell

or sea shell

[ see-shel ]
/ ˈsiˌʃɛl /

noun

the shell of any marine mollusk.

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seclusion

Origin of seashell

before 900; Old English sǣscill (not recorded in Middle English ) see sea, shell
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for seashell

British Dictionary definitions for seashell

seashell
/ (ˈsiːˌʃɛl) /

noun

the empty shell of a marine mollusc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012