Meaning of CINDER in English

CINDER

[noun] [C] - a small piece of partly burnt coal or woodRake out the cinders before you start a new fire.The cake was burnt to a cinder (= burnt black).(US) A cinder block is a small light block made of concrete mixed with burnt coal which is used in building esp. the walls of houses and other buildings.

Cambridge English vocab.      Кембриджский английский словарь.