"burr" in the noun sense
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
"burr" in the verb sense
1. bur, burr
remove the burrs from
Source: WordNet® (An amazing lexical database of English)
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