What does the word sauce mean?

Usage examples for sauce

  1. If I am ever caught dancing the German cotillon, or playing the German flute, or eating pike with German sauce, I hope it may be flung in my teeth. – Project Gutenberg History of The Netherlands, 1555-1623, Complete by John Lothrop Motley
  2. Exercise brings hunger, and hunger is the best sauce that food can have-- as we all ought to know. – The High School Boys' Fishing Trip by H. Irving Hancock