deltidium

D2E1L1T1I1D2I1U1M3
UK/dɛlˈtɪdɪəm/

noun

The triangular space under the beak of many brachiopod shells.

OriginNew Latin deltidium →
First used 1851Scrabble 13
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Meanings

noundeltidium (plural deltidiums or deltidia)

plural deltidiums · plural deltidia

  1. archaicbiologyThe triangular space under the beak of many brachiopod shells.First known use 1851

Origin

  1. New Latindeltidium
  2. Englishdeltidium

Borrowed from New Latin deltidium. By surface analysis, delta + -idium.

More words from New Latin

Full word history & related roots →
Cite this entry
APA

deltidium. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/deltidium

MLA

“deltidium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/deltidium. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “deltidium,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/deltidium.

Source: deltidium on Wiktionary, CC BY-SA 4.0.