Noun
maternal grandfather (plural maternal grandfathers)
Used other than figuratively or idiomatically: see maternal, grandfather. (This entry is a translation hub.)
Coordinate terms: maternal grandmother, paternal grandfather, paternal grandmother
Like lycanthropy, the nerd gene can skip a generation. My maternal grandfather was a technophile. Chris Hardwick
Miami Beach - that's where I grew up, in a middle-class Jewish family led by my maternal grandfather. Me, my great-grandmother - a Holocaust survivor, who was my roommate - my grandparents, my mom and her brother all shared a four-bedroom house. Brett Ratner