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.’
- 1.1Biology 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.’
Mid 19th century: from Latin, literally yoke.
We take a look at several popular, though confusing, punctuation marks.