dial. [a. ON. sviðra to burn, singe: see SWITHE v. and -ER5. Cf. SWITHEN.]

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  1.  trans. = SWITHE v. 1; also intr. to burn. Hence Swithering ppl. a.2, scorching, parching.

2

1865.  B. Brierley, Irkdale, xv. I. 239. Let it swither away like matchwood.

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1886.  S. W. Linc. Gloss., Swither, to parch, wither up. It’s such a swithering day. The plants are quite swithered up.

4

1886.  Rochdale Gloss., Swuther, to burst into a flame, as fire which has been smouldering.

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1895.  Crockett, Men of Moss-Hags, xxvi. 196. On that day of swithering heat.

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  2.  intr. = SWITHE v. 2.

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1876.  Whitby Gloss., Swither, to tingle…. ‘A sair swithering an warking,’ a sore tingling and aching.

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