clamshell

adjective
1
having a cover or other part that opens and shuts like the shell of a clam
دوکفه‌ای, صدف‌مانند
noun
1
the shell of a clam
پوسته صدف
2
a container or device that has a cover or other part that opens and shuts like the shell of a clam
صدف‌مانند, جعبه صدفی, درپوش صدفی, محفظه صدفی