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) The triangular space under the beak of many brachiopod shells. [1851]

Related terms

delta

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “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): /delˈti.di.um/, [d̪ɛɫ̪ˈt̪ɪd̪iʊ̃ˑ]
(modern Italianate Ecclesiastical) IPA^(key): /delˈti.di.um/, [d̪el̪ˈt̪iːd̪ium]

Noun

deltidium n (genitive deltidiī or deltidī); second declension

(New Latin, conchology) deltidium [≤1836]

Declension

Second-declension noun (neuter).

	singular	plural
nominative	deltidium	deltidia
genitive	deltidiī deltidī¹	deltidiōrum
dative	deltidiō	deltidiīs
accusative	deltidium	deltidia
ablative	deltidiō	deltidiīs
vocative	deltidium	deltidia

¹Found in older Latin (until the Augustan Age).

Descendants

→ English: deltidium