A type of shell formed by certain marine organisms that have multiple chambers.

बहु chambers वाला शेल

English Usage: The nautilus is known for its beautiful polythalamous shell that houses multiple compartments.

Hindi Usage: नॉटीलस अपने खूबसूरत बहु chambers वाले शेल के लिए जाना जाता है, जिसमें कई कंपार्टमेंट होते हैं।