The solid substance left after mineral coal has been deprived by dry distillation of its volatile… as a substance: no plural. Slang phr. (imperative)…

The residue of a combustible substance, esp. coal, after it has ceased to flame, and so also, after it has ceased to burn. plural. Coke. Obsolete.

The black porous pulverizable substance, consisting (when pure) wholly of carbon, obtained as the solid residue in the imperfect combustion of…

local. plural. Cinders, coke used as fuel, esp. by nail-makers.

Small cinders and cinder-dust, used in burning bricks, etc.; small coke and coke-dust.