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. To repair; to prepare; to put in order. [Prov. Eng.] Carlyle.

2. (Metal.) To cover or line with a mixture of ore, cinders, etc., as the hearth of a puddling furnace.

Fet"tle, v. i. To make preparations; to put things in order; to do trifling business. [Prov. Eng.] Bp. Hall.

Fet"tle, n. The act of fettling. [Prov. Eng.] Wright.

In fine fettle, in good spirits.