1. a grass with spiny seed cases that stick to clothing and animal fur

Examples

• The children’s socks were covered with sandburs after playing in the field.
• Sandburs are a common weed problem in sandy soils.
• The dog came home with several sandburs stuck in its fur.
• Farmers often struggle to control sandburs in their pastures.
• Walking barefoot through the yard, she stepped on a painful sandbur.
• The spiky sandburs made it difficult to enjoy the beach picnic.