a black or dark-brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. Cf. anthracite, bituminous coal, lignite.
a piece of glowing, charred, or burned wood or other combustible substance.
charcoal (def. 1).
to repay evil with good in order to make one's enemy repent.
to reprimand; scold: They were raked over the coals for turning out slipshod work.