Definition of jugum in English:

jugum

noun

Zoology
  • 1A connecting ridge or projection, especially on a bone.

    • ‘Generally, there are large muscle scars, stout dental lamellae, closely coiled, outwardly pointed spiralia, and simple jugum.’
    1. 1.1Biology A lobe on the forewing of some moths which interlocks with the hindwing in flight.
      • ‘A. basidentatus has four marginal pegs on each juga, and the male has a characteristic anterior subbasal tooth on the front tibia, giving this segment a notched appearance on its inner surface.’

Origin

Mid 19th century: from Latin, literally yoke.

Pronunciation:

jugum

/ˈdʒuːɡəm/