jugum

noun Entomology.

1. the posterior basal area or lobe in the forewing of certain insects, sometimes serving to couple the forewings and hind wings in flight.

noun

1. 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 a pair of opposite leaflets

n. pl. ju•gums

1. A ridge or furrow connecting two structures.yoke
2. A type of forceps.