1. Plural of burrstone; hard, porous stones used as millstones for grinding grain.
Usage: Also spelled 'buhr stones' or 'buhr-stones'; Historical/technical term related to milling
2. Plural of burrstone; rough, prickly seed pods or fruits that cling to clothing or animal fur.
Usage: Less common usage; refers to burrs in botanical sense

Examples

• The old mill was equipped with burrstones imported from France.
• Burrstones were essential tools in 19th-century grain mills.
• The miller carefully maintained his burrstones to ensure even grinding.
• Burrstones had to be dressed regularly to keep their grinding surfaces sharp.
• After walking through the field, the dog's coat was covered with burrstones.