The Collaborative International Dictionary
Abraum
Abraum \A*braum"\ or Abraum salts \A*braum" salts\, n. [Ger., fr. abr["a]umen to remove.] A red ocher used to darken mahogany and for making chloride of potassium. [1913 Webster] ||
Wiktionary
abraum
n. A red ocher used to darken mahogany and for making chloride of potassium.