Main Entry: ¹burr

Pronunciation: \ˈbər\

Function: noun

Etymology: Middle English burre; akin to Old English byrst bristle — more at bristle

Date: 14th century

1usually bur a : a rough or prickly envelope of a fruit b : a plant that bears burs
2 a : something that sticks or clings <a burr in the throat> b : hanger-on
3 : an irregular rounded mass; especially : a tree burl
4 : a thin ridge or area of roughness produced in cutting or shaping metal
5 a : a trilled uvular \r\ as used by some speakers of English especially in northern England and in Scotland b : a tongue-point trill that is the usual Scottish \r\
6 a : a small rotary cutting tool busually bur : a bit used on a dental drill
7 : a rough humming sound : whir

— burred \ˈbərd\ adjective