Obs. exc. dial. A variant of BOULDER; belonging chiefly to the midland counties of England.

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c. 1680.  Dingley, Hist. fr. Marble (1868), 359. Leek Town. This Town wanting some stones, or (as vulgarly call’d in this county) boothers, to pave the street.

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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.

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1864.  Ramsbottom, Lanc. Rhyme, 66. For every cheer [= chair] a boother-stone.

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