Obs. exc. dial. A variant of BOULDER; belonging chiefly to the midland counties of England.
c. 1680. Dingley, Hist. fr. Marble (1868), 359. Leek Town. This Town wanting some stones, or (as vulgarly calld in this county) boothers, to pave the street.
1826. Pennsylv. Hist. Soc. Mem., I. 285. Different kinds of stone by continual rolling and wearing have become smooth and round; and are called boothers.
1864. Ramsbottom, Lanc. Rhyme, 66. For every cheer [= chair] a boother-stone.