What does the word reciprocity mean?

Usage examples for reciprocity

  1. Reciprocity is the basis of all true friendship! – More About Peggy by Mrs G. de Horne Vaizey
  2. Do you know, sir, what defeated Reciprocity with this country? – The Major by Ralph Connor
  3. This sweet reciprocity was, however, so personal that onlookers did not see it, and so swift that Liot appeared to answer promptly enough: It would be a good thing for us all if we should hear a new story. – Prisoners of Conscience by Amelia Edith Huddleston Barr