D defs.my
Entry 4 senses Webster, 1913

Cinder

/(sĭn"dẽr)/ · Cin·der · IPA /ˈsɪndɚ/
01 n. Partly burned or vitrified coal, or other combustible, in which fire is extinct.
  1. 1.
    Partly burned or vitrified coal, or other combustible, in which fire is extinct.
  2. 2.
    A hot coal without flame; an ember.
  3. 3.
    A scale thrown off in forging metal.
  4. 4.
    The slag of a furnace, or scoriaceous lava from a volcano.
Phrases & compounds
Cinder frame — a framework of wire in front of the tubes of a locomotive, to arrest the escape of cinders.
Cinder notch — the opening in a blast furnace, through which melted cinder flows out.