cinder
cin.der \'sin-d*r\ \-d(*-)re-\ n [ME sinder, fr. OE; akin to OHG sintar dross, slag, OSlav se'Qcidilla>dra stalactite 1: the slag from a metal furnace : DROSS pl 2: ASHES 3a: a partly burned combustible in which fire is extinct 3b: a hot coal without flame 3c: a partly burned coal capable of further burning without flame 4: a fragment of lava from an erupting volcano - cin.dery aj