Definition of "smither"

My lass, when I cooms to die, / Smash the bottle to smithers, the Divil's in 'im,' said I.

1880, Alfred Tennyson, “[Ballads and Other Poems.] The Northern Cobbler”, in Ballads and Other Poems, London: C[harles] Kegan Paul & Co., […], stanza XVIII, page 38

That claim of mine, which was yours, has got a seventeen-foot vein and a sandstone roof, and not a smither of slate or bone in it.

1920, Kennett Harris, Meet Mr. Stegg, page 164