periostracum /per-i-osˈtrə-kəm/

The horny outer layer of a mollusc's shell

• go public
• gopura
• gopuram
• gopurams
• gopuras
• gora
• goral
• gorals
• goramy
• goray
• gor-bellied
• gor-bellies
• gor-belly
• gorblimey
• gorblimeys
• gorblimies
• gorblimy
• gorcock
• gorcocks
• gorcrow
• gorcrows
• Gordian
• Gordianed
• Gordianing
• Gordians