a1722 Sir R. Sibbald in J. Jamieson Piscis in lacu Levino—Gerletroch.
1793 J. Sinclair VI. 167 The gallytrough or char abounds in the Loch.
1806 R. Forsyth IV. 26 The species [of trout] called the galley trough or char is that chiefly admired.
1811 P. Neill in 1 541 The S. Alpinus, Red Char, or Gerletroch.