noun (plural juga)chiefly Zoology
1.1 Entomology A lobe on the forewing of some moths which interlocks with the hindwing in flight.
More example sentences
- 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.
mid 19th century: from Latin, literally 'yoke'.
Definition of jugum in:
- The US English dictionary