Definition of "trevalla"

trevalla

noun
plural trevallas
1. (Australia) Any of various medusafish of the family Centrolophidae, especially Hyperoglyphe antarctica and Seriolella punctata.
  Quotations
  The trevalla was fresh off the boats, and eating it I could not help feeling a twinge on Potter's behalf […] .
  2004, Nicholas Shakespeare, In Tasmania, Harvill Press, p. 80
2. (Australia, now rare) A trevally.