Meaning

noun seed vessel having hooks or prickles

noun rough projection left on a workpiece after drilling or cutting

noun 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)

originFrom Middle English burre, perhaps related to Old English byrst (“bristle”). Cognate with Danish burre, borre (“burdock, burr”), Swedish borre (“sea-urchin”).

Etymology from Wiktionary, CC BY-SA 3.0