Obs. rare. [f. L. type *coūnāre, f. co- together + ūnāre to unite in one: cf. L. adūnāre in this sense.] trans. To unite, combine.
1627–77. Feltham, Resolves, I. xcv. 147. [They] are in Man one, and co-un’d together.
a. 1641. Bp. Mountagu, Acts & Mon. (1642), 25. God and Man, co-uned in one Christ.
