[f. TROUT sb.1 + -ER1.] One who fishes for trout; a trout-fisher.
1830. Howitt, Seasons (1837), 122. Cloudy weather, a little windy, especially from the South, is in high favour with the trouter.
1854. Frasers Mag., L. 397. However well a trouter may get on by keeping to the banks of his river, the salmon fisher can rarely be successful by fishing from dry land.
1887. Macm. Mag., June, 107/1. Your dry-fly man is inclined to look upon the great mass of trouters with something akin to complacent and patronizing compassion.