What does "cinder" mean?

Cinder: A hot coal without flame; an ember. Swift.

Additional senses

  1. 2.A scale thrown off in forging metal.
  2. 3.The slag of a furnace, or scoriaceous lava from a volcano. Cinder frame, a framework of wire in front of the tubes of a locomotive, to arrest the escape of cinders. -- Cinder notch (Metal.), the opening in a blast furnace, through which melted cinder flows out.

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