shell noun verb Stress: first syllable ๐ค Save Syllables: shell (1) English Definition The hard protective outer case of a mollusk, insect, or egg. Example Sentence We found beautiful sea shells on the beach. US IPA /สel/ ๐ Listen US UK IPA /สel/ ๐ Listen UK Synonyms casing husk crust pod Antonyms interior core Share this Word Facebook WhatsApp X Telegram Copy Link