← BackshareGuessspiral shelled/ˈspaɪrəl ʃɛld/adjectiveHaving a shell that is coiled in a spiral shape, like many snails.She collected spiral-shelled seashells on the beach.Many spiral-shelled mollusks live in saltwater habitats.The spiral-shelled snail moved slowly across the garden path.Synonymscoiledwhorled