Definition of oilfish in US English:

oilfish

noun

  • A large violet or purple-brown escolar, the flesh of which is oily and unpalatable.

    Ruvettus pretiosus, family Gempylidae

    • ‘Known to the Comorans as mazé this form of fishing was developed to ‘target’ the oilfish, Ruvettus pretiosus, known to the Comorans as nessa.’

Pronunciation

oilfish

/ˈoilfiSH/