Obs. rare1. [f. L. com- together + pān-is bread + -ATION.] In Eucharistic theory: The introduction or existence of Christ’s body along with the bread after consecration; consubstantiation.

1

1582.  N. T. (Rhem.), 1 Tim. vi. 20, note. Their Companation, Impanation, Circumpanation, to auoid the true Conuersion in the Eucharist.

2