Wordnet 3.0
NOUN (1)
1. 
 a state of fitness and good health; 
- Example: "in fine fettle"VERB (1)
1. 
 remove mold marks or sand from (a casting); 
The Collaborative International Dictionary of English v.0.48:
Fettle \Fet"tle\, v. i.
   To make preparations; to put things in order; to do trifling
   business. [Prov. Eng.] --Bp. Hall.
   [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Fettle \Fet"tle\, n.
   The act of fettling. [Prov. Eng.] --Wright.
   [1913 Webster]
   In fine fettle, in good spirits.
      [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Fettle \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.
      [1913 Webster]
   2. (Metal.) To cover or line with a mixture of ore, cinders,
      etc., as the hearth of a puddling furnace.
      [1913 Webster]
WordNet (r) 3.0 (2006):
fettle
    n 1: a state of fitness and good health; "in fine fettle"
    v 1: remove mold marks or sand from (a casting)