What is "concomitance"

Concomitance \Con*com"i*tance\, Concomitancy \Con*com"i*tan*cy\, n. [Cf. F. concomitance, fr. LL. concomitantia.]

1. The state of accompanying; accompaniment.

   The secondary action subsisteth not alone, but in concomitancy with the other.
   --Sir T. Browne.

2. (R.C.Ch.) The doctrine of the existence of the entire body of Christ in the eucharist, under each element, so that the body and blood are both received by communicating in one kind only.

1520s, from Middle French concomitance, from Medieval Latin concomitantia, from Late Latin concomitantem (see concomitant). Related: Concomitancy.\n

n. 1 occurrence or existence together or in connection with one another, co-existence 2 a concomitant

n. occurrence or existence together or in connection with one another

The Doctrine of Concomitance is a Eucharistic theological doctrine held by some Christians which describes the nature of Christ's presence in the bread and wine of the sacrament of Eucharist