冶炼银铅的一种脚料。见 明 李时珍 《本草纲目·金石一·密陀僧》。

1.bed of furnace; crucible stand; furnace base; furnace bottom; furnace hearth; hearth bottom; hearth level; laboratory sole; oven bottom; oven hearth; oven sole; sand bottom （冲天炉的）; siege