Read the dictionary definition of burr. All definitions for this word.
1. small bit used in dentistry or surgery
2. rough projection left on a workpiece after drilling or cutting
3. rotary file for smoothing rough edges left on a workpiece
4. United States politician who served as vice president under Jefferson; he mortally wounded his political rival Alexander Hamilton in a duel and fled south (1756-1836)
5. seed vessel having hooks or prickles
6. remove the burrs from