Definition of rough-backed in US English:

rough-backed

adjective

  • 1Of an animal (or a plant): that has a rough back. Chiefly in animal names.

  • 2Of a thing: having a rough or unfinished back.

Origin

Early 19th century; earliest use found in James Edward Smith (1759–1828), botanist. From rough + backed.

Pronunciation

rough-backed

/ˈrʌfbakt/