Definition of white trout in English:

white trout

noun

  • 1A salmonid, specifically (in Great Britain and Ireland) the sea trout, Salmo trutta, and (in North America) the lake trout, Salvelinus namaycush.

  • 2US a weakfish of the genus Cynoscion.

  • 3US a black bass of the genus Micropterus.

Origin

Mid 17th century; earliest use found in John Smyth (1567–1641), antiquary and parliamentary diarist.