thyridium

noun

thy·​rid·​i·​um
-dēəm
plural thyridia
-ēə
1
: a pale spot in the wing vein of some insects especially of the orders Hymenoptera and Trichoptera
2
: one of a pair of oval pits on the second abdominal tergite of some hymenopterans

Word History

Etymology

New Latin, from Greek thyridion window, diminutive of thyra door

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Cite this Entry

“Thyridium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thyridium. Accessed 9 Feb. 2023.

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