grandsire

== English == === Etymology === From Middle English graunsire; compare grand and sire. === Noun === grandsire (plural grandsires) (archaic) Grandfather. Any male ancestor. Any of a number of methods of change-ringing on bells. (equestrianism) The sire of a sire, paternal grandfather ==== Usage notes ==== In the equestrian sense, maternal grandfather is a damsire (i.e. sire of a dam), not a grandsire.