殻 - husk, nut shell

seashell; shell

diastrophism (movement and deformation of the earth's crust)

shell; husk; hull; pod; chaff

cigarette end; cigarette butt; tobacco ashes

(Earth's) crust

auricle; pinna

remnants of a bean plant; beanstalks and pods; bean husk

cochlea

Japanese wineberry (Rubus phoenicolasius); wine raspberry; wineberry

coconut shell

closed shell

buckwheat chaff