The Collaborative International Dictionary
Grandsire \Grand"sire"\, n. [OF. grantsire. See Grand, and Sire.] Specifically, a grandfather; more generally, any ancestor.
Douglas Harper's Etymology Dictionary
Wiktionary
n. grandfather
Wikipedia
Grandsire is one of the standard change ringing methods, which are methods of ringing church bells or handbells using a series of mathematical permutations rather than using a melody. The grandsire method is usually rung on an odd number of bells: Grandsire doubles is rung on five working bells, grandsire triples on seven, grandsire caters on nine and grandsire cinques on eleven.
Usage examples of "grandsire".
Asterius and Amphion, sons of Hyperasius, came from Achaean Pellene, which once Pelles their grandsire founded on the brows of Aegialus.
Grandsire was a Cameronian in Scotland in the Killing Times and had long gone where good Scots go when me father come across the sea to Pennsylvania.
Ringing Grandsire bob with any of these eight Hunts, the first changes in each Peal are to be made in the same manner, as those in the Peal before set down, until the first bob in each Peal comes to be made.
And I have seen you in my starstone, and Grandsire has told me that you are a great warrior, and that you are called Wolf.
The children of my coevals were fast getting gray and bald, and their children beginning to look upon the world as belonging to them, and not to their sires and grandsires.
If he hadn't sailed for Kel Ar'Ayen, bold and foolish, he'd have been there to comfort his grandsire on his deathbed.
He puts added hues into the picture with which her heavy fancy had dallied, and then beclouds it all with an account of homes and temples profaned, maidens ravished, grandsires, mothers, children, slain by the oppressor.
We had on board a family of native tourists, from the grandsire to the babe in arms, trying (against an extraordinary series of ill- luck) to regain their native island of Peru.
More extraordinary still to my mind is the thought that nearly 300 years later the duke's heirs can litter the grounds with miniature trains and bouncing castles, charge admission and enjoy unearned positions of rank and privilege simply because a distant grandsire happened to have a passing talent for winning battles.
Alucius waited at the top of the loft ladder until his grandsire had walked toward the kitchen and until he heard the clank of the stove door and the clunk of the coal scuttle.
My grandsire gied Sandie a siller tester to pit in his gun wi' the leid draps, bein mair deidly again bogles.
From what Uncle Hafiz and my human grandsires have told me, you were freeing child slaves and confronting criminals at my age.
The human grandsires, asteroid miners at the time, rescued and raised Mother when they found her escape pod traveling where no Linyaari had gone before.
A series of pictures flashed by—an elderly human Khorii did not recognize, a younger Uncle Hafiz, and her human grandsires, then—Mother!
This is documented in your own files by Grandsires Baird and Giloglie.