| 释义 |
thy·rid·i·um
\-dēəm\ noun
(plural thyrid·ia \-ēə\)
Etymology: New Latin, from Greek thyridion window, diminutive of thyra door
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 |