thyridium

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noun

A spot in the wing veins of Neuroptera, Hymenoptera and Trichoptera.

OriginLatin thyridium ← Ancient Greek θυρίδιον →
Scrabble 18
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Meanings

nounthyridium (plural thyridia)

plural thyridia

  1. biologyA spot in the wing veins of Neuroptera, Hymenoptera and Trichoptera.
  2. biologyA spot on both sides of the second abdominal tergite in ichneumonids

Origin

  1. Ancient Greekθυρίδιον
  2. Latinthyridium
  3. Englishthyridium

From Latin thyridium, from Ancient Greek θυρίδιον (thurídion), diminutive of θύρᾱ (thúrā, “door”).

More words from Latin, Ancient Greek

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Cite this entry
APA

thyridium. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/thyridium

MLA

“thyridium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/thyridium. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “thyridium,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/thyridium.

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