1. Plural of grandsire; grandfathers or male ancestors.
Usage: archaic or formal
2. In bell-ringing, a method of change-ringing on eight bells.
Usage: specialized, technical

Examples

• The family tree traced back through many grandsires.
• He spoke with pride of his grandsires' accomplishments.
• The grandsires of the nation had fought in the revolution.
• Bell-ringers practiced the grandsires method on Sunday mornings.
• Our grandsires built this house over a century ago.