† ˈbelfatherObs. Also 5 -fader. [f. bel + father: cf.beldame, belsire.] Grandfather. c1440Promp. Parv. 30 Belsyre or belfather, faders or moders fader, avus.1483Caxton Gold. Leg. 414/1 Here lyeth henry the sone of henry the fader henry the belfader henry the olde belfader.