冶煉銀鉛的一種腳料。見 明 李時珍 《本草綱目·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 （沖天爐的）; siege