black wash Meaning, Definition & Usage

Black" wash`, Black"wash noun (Also<
  • Black wash
  • Blackwash
)
Definitions
  1. (Med.) A lotion made by mixing calomel and lime water.
  2. A wash that blackens, as opposed to whitewash; hence, figuratively, calumny.
    To remove as far as he can the modern layers of black wash, and let the man himself, fair or foul, be seen. C. Kingsley.

Webster 1913