say it: bur
burr is a noun and verb meaning "seed vessel having hooks or prickles". It carries 6 recorded senses.
seed vessel having hooks or prickles
rough projection left on a workpiece after drilling or cutting
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)
rotary file for smoothing rough edges left on a workpiece
small bit used in dentistry or surgery
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for burr come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.