noun, plural den·ta·li·ums, den·ta·li·a.
- any tooth shell of the genus Dentalium.
noun plural -liums or -lia (-lɪə)
- any scaphopod mollusc of the genus DentaliumSee tusk shell
noun, plural den·ta·li·ums, den·ta·li·a.
noun plural -liums or -lia (-lɪə)