deltidium

== English == === Etymology === Borrowed from New Latin deltidium. By surface analysis, delta +‎ -idium. === Pronunciation === (Received Pronunciation) IPA(key): /dɛlˈtɪdɪəm/ === Noun === deltidium (plural deltidiums or deltidia) (conchology, now rare) The triangular space under the beak of many brachiopod shells. [1851] ==== Usage notes ==== The terms is barely found in literature since the 19th century. ==== Related terms ==== delta === References === “deltidium”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC. == Latin == === Etymology === The Latinisation of *deltidion, formed in Latin from Ancient Greek elements: δέλτα (délta) +‎ -ίδιον (-ídion) = literally “little delta”. Unrelated to Byzantine Greek δελτίδιον (deltídion). === Pronunciation === (Classical Latin) IPA(key): [dɛɫˈtɪ.di.ũː] (modern Italianate Ecclesiastical) IPA(key): [delˈtiː.di.um] === Noun === deltidium n (genitive deltidiī or deltidī); second declension (New Latin, conchology) deltidium [≤1836] ==== Declension ==== Second-declension noun (neuter). 1Found in older Latin (until the Augustan Age). ==== Descendants ==== → English: deltidium