'Mint sauce' definitions:

Definition of 'mint sauce'

(from WordNet)
noun
Sweetened diluted vinegar with chopped mint leaves

Definition of 'Mint sauce'

From: GCIDE
  • Mint sauce \Mint sauce\
  • 1. A sauce of vinegar and sugar flavored with spearmint leaves. [Webster 1913 Suppl.]
  • 2. Money. [Slang, Eng.] [Webster 1913 Suppl.]

Definition of 'Mint sauce'

From: GCIDE