Also 7 torcoch; (erron.) 7 torcoth, 8 torgotch. [Welsh torgoch, f. tor belly + coch red.] The red-bellied char, a variety of the common char, found in the Welsh lakes.
1611. Speed, Theat. Gt. Brit. (1614), 123/2. In the poole Lin-Peris, there is a kinde of fish called there Torcoch, having a red belly, no where else seene.
1756. in Gentl. Mag., XXVI. 616/2. Torgotch, or Red-belly, which distinguishes the female.
1787. Best, Angling (ed. 2), 4. The English fishes that we have in our ponds, rivers, &c. are as follow: Umbla minor, Gesn. The Red Charr, or Welch Torgoch.