dial. [Relation to prec. obscure.] A cinder.

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1819.  Hunter, Hallamsh., Crozzil, half-burnt coals.

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1883.  Almondbury & Huddersf. Gloss., Crozzle, a hard cinder found in furnaces.

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1887.  S. O. Addy, in N. & Q., 7th Ser. III. 422/2. The [bronze] spear-head bears marks of having been subjected to a hot fire, the point especially having been burnt to a ‘crozzil.’

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