This meaning refers to a dry fruit or seed structure covered with hooks, spines, or rough projections.
Burrs clung to the dog's fur.
A burr became caught in her sock.
This technical meaning refers to a thin unwanted ridge or projection produced during cutting, drilling, or machining.
Use a file to remove the burr from the metal.
The drilled hole had a sharp burr.
This meaning refers to a distinctive rough, trilled, or vibrating quality in a person's pronunciation.
His accent had a noticeable Scottish burr.
She spoke with a soft regional burr.
This technical meaning refers to a rotary tool with cutting teeth used in dentistry, metalworking, and carving.
The dentist used a fine burr to shape the tooth.
A carbide burr removed material from the casting.
This verb meaning refers to producing a rough ridge or sharp projection during machining.
The cutting process burred the edge of the plate.
Poor drilling can burr the opening.