n.
Pronunciation: ' sin-d ə r
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 -)r ē \ adjective