Definition of featherback in English:

featherback

noun

  • A tropical freshwater fish native to southern Asia and Africa, with a strongly humped back, a small feather-like dorsal fin, and a long anal fin that runs from the belly to the tail.

    Also called knifefish
    • ‘I think I been around the purple featherbacks too long.’

Pronunciation:

featherback

/ˈfɛðəbak/