DELTIDIUM
Source: 567
‖Del‐tid″i‐um (?), n. [[NL., fr. Gr. δέλτα, the letter Δ.]] (Zoöl.) The triangular space under the beak of many brachiopod shells.
Source: 567
‖Del‐tid″i‐um (?), n. [[NL., fr. Gr. δέλτα, the letter Δ.]] (Zoöl.) The triangular space under the beak of many brachiopod shells.