Third-person singular simple present indicative form of grandfather.(verb)
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Use "grandfathers" in a sentence
"Nearly everyone knows that American quail hunting as practiced by our grandfathers is disappearing faster than free air at gas stations."
"We are led from the huddled camp of contrabands in 1868 to the allied armies in 1918; from a crowd of men and women without a past and seemingly without a future -- even a possibility only to the eyes of patriotism and faith -- we are led in these pages to the ranks of efficient soldiers and brilliant officers fighting with southern men whose grandfathers called their grandfathers slaves!"
"And even as the mahogany of our grandfathers is now brought forth from garrets and unused rooms, and antiquity shops and farm-houses are searched for the good old-time furniture, so we are learning to take the old gardens for our models, and the old-fashioned flowers to fill our borders."