jugum(redirected from jugum penis)
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n. pl. ju·ga (-gə) or ju·gums
A yokelike structure in certain insects that joins the forewings to the hind wings, keeping them together during flight.
1. (Zoology) a small process at the base of each forewing in certain insects by which the forewings are united to the hindwings during flight
2. (Botany) botany a pair of opposite leaflets
[C19: from Latin, literally: yoke]
the posterior basal area or lobe in the forewing of certain insects, sometimes serving to couple the forewings and hind wings in flight.
[1855–60; < New Latin, Latin: yoke]