1. (

• bur ,
• burr

) seed vessel having hooks or prickles ;

2. (

• burr

) rough projection left on a workpiece after drilling or cutting ;

3. (

• Burr ,
• Aaron_Burr

) 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) ;

4. (

• burr ,

) rotary file for smoothing rough edges left on a workpiece ;

5. (

• bur ,
• burr ,

) small bit used in dentistry or surgery ;

1. (

• bur ,
• burr

) remove the burrs from ;