[-ING2.] That tans.

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a. 1717.  Parnell, Health, 35. Her hardy face repels the tanning wind.

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1828.  P. Cunningham, N. S. Wales, II. 75. If our … tanning barks, and bark extracts, do not continue to pay.

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1857.  Miller, Elem. Chem., III. xi. 672. Sewing up the hide, filling it with the tanning infusion.

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