vbl. sb. [f. as prec. + -ING1.] The action of the vb. EXCHANGE.
1553. Eden, Treat. Newe Ind. (Arb.), 17. At which exchaunging of wyues, one of them speaketh to another after this manner.
1594. Hooker, Eccl. Pol., II. i. (1611), 129. This was the ancient maner in Israel concerning redeeming and exchanging.
1671. H. M., trans. Erasm. Colloq., 385. Doth God accept of such exchangings of souls?
1819. in Picton, Lpool Munic. Rec. (1886), II. 339. Renewal of leases and the exchanging of lives thereon.