Definition of canker berry in English:

canker berry

noun

rare
  • 1(Now English regional) the fruit of the dog rose.

  • 2Either of two West Indian plants of the genus Solanum, S. bahamense and S. racemosum; the fruit of either of these plants.

Origin

Mid 17th century; earliest use found in Robert Child (1613–1654), physician and agriculturist.