D defs.my
Entry 2 senses Webster, 1913

Mutuality

/myo͞ochˌ-o͞o-ăl'-ĭtˌ-ē/ · Mu·tu·al·i·ty · IPA /ˌmjuːtjuˈælɪti/
01 n. The quality of correlation; reciprocation; interchange; interaction; interdependence.
  1. 1.
    The quality of correlation; reciprocation; interchange; interaction; interdependence.
  2. 2.
    Reciprocity of consideration.(Law)