vbl. sb. Obs. [f. BASTARD v. + -ING1.] a. The action of declaring (a child) illegitimate. b. The begetting of a bastard.
1563. Grafton, Chron. Rich. III., an. 3. Putting in oblivion the bastardyng of her daugters.
1633. Ford, Loves Sacr., V. i. (1811), 436. Thy bastarding the issues of a prince.
1677. Otway, Cheats of Sc., II. i. (1736), 78. Theyll tell all your Fornications, Bastardings, and Commutings.