concomitance

from WordNet (r) 3.0 (2006)

concomitance
    n 1: occurrence or existence together or in connection with one
         another

from The Collaborative International Dictionary of English v.0.48

Concomitance \Con*com"i*tance\, Concomitancy \Con*com"i*tan*cy\,
   n. [Cf. F. concomitance, fr. LL. concomitantia.]
   1. The state of accompanying; accompaniment.
      [1913 Webster]

            The secondary action subsisteth not alone, but in
            concomitancy with the other.          --Sir T.
                                                  Browne.
      [1913 Webster]

   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.
      [1913 Webster]