Noah Webster
Burr
BURR, noun The lobe or lap of the ear.
1. The round knob of a horn next a deer's head.
2. The sweetbread.
BURR-pump, or bilge-pump. A pump, having a staff of 6, 7 or 8 feet long with a bar of wood to which the leather is nailed, which serves instead of a box. This staff is worked by men who pull it up and down, with a rope fastened to the middle of it.