'Bordeaux mixture' definitions:

Definition of 'Bordeaux mixture'

(from WordNet)
noun
Antifungal agent consisting of a solution of copper sulphate and quicklime

Definition of 'Bordeaux mixture'

From: GCIDE
  • Bordeaux mixture \Bor*deaux" mix"ture\ (Hort.) A fungicidal mixture composed of blue vitriol, lime, and water. The formula in common use is: blue vitriol, 6 lbs.; lime, 4 lbs.; water, 35 -- 50 gallons. [Webster 1913 Suppl.] Bordel