FETTLE
Source: 566, 567
fettle. Fettle, v.i. to trifle, idle, loiter, do idly, ob.
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Fet″tle (?), v. t. [[OE. & Prov. E., to fettle (in sense 1), fettle, n., order, repair, preparation, dress; prob. akin to E. fit. See Fit, a.]] 1. 1. To repair; to prepare; to put in order. Carlyle.
2. 2. (Metal.) To cover or line with a mixture of ore, cinders, etc., as the hearth of a puddling furnace.