ETYM See Char.
1. To burn so as to affect color or taste; SYN. blacken, scorch.
2. To burn to charcoal; SYN. coal.

Or charr; Fish Salvelinus alpinus related to the trout, living in the Arctic coastal waters, and also in Europe and North America in some upland lakes. It is one of Britain’s rarest fish, and is at risk from growing acidification.
Numerous variants have been described, but they probably all belong to the same species.Any of several small-scaled trout.

A charred substance; charcoal; specifically; a combustible residue remaining after the destructive distillation of coal.

British; charwoman