Bur

Burr , bur, the prickly seed-case or head of certain plants, which sticks to clothes: any impediment or inconvenient adherent: any lump, ridge, ., more or le sharp, a knot on a tree, knot in thread, knob at the base of a deer's horn, .: waste raw silk: the sweetbread or pancreas: ( Scot. ) club-mo : the name for various tools and appliances, as the triangular chisel for clearing the corners of mortises, .: the blank driven out of a piece of sheet-metal by a punch: a partly vitrified brick.— ns. Bur′dock , a dock with a bur or prickly head; Bur′-this′tle , the spear-thistle.— Bur in the throat , something seeming to stick in the throat, producing a choking sensation. [Cog. with Dan. borre , a bur.]