- a disease of plants, characterized by black spots on the fruit and foliage, twig lesions, defoliation, and rotting, caused by any of several fungi, as Diplocarpon rosae, or bacteria.
- British.
- a hazardous place in a road where accidents frequently occur.
- a dangerous area or place.
- a place on a road where accidents frequently occur
- any dangerous or difficult place
- a disease of roses, Diplocarpon rosae, that causes circular black blotches on the leaves
