Main Entry: cin·der

Pronunciation: \ˈsin-dər\

Function: noun

Etymology: Middle English sinder, from Old English; akin to Old High German sintar dross, slag, Serbian & Croatian sedra calcium carbonate

Date: before 12th century

1 : the slag from a metal furnace : dross
2 a plural : ashes b : a fragment of ash
3 a : a partly burned combustible in which fire is extinct b : a hot coal without flame c : a partly burned coal capable of further burning without flame
4 : a fragment of lava from an erupting volcano

— cin·dery \-d(ə-)rē\ adjective