1. [n]  salted and cured abdominal wall of a side of pork
2. [n]  fish steak usually cut from a halibut

FLITCH is a 6 letter word that starts with F.

1. \Flitch\, n.; pl. {Flitches}. [OE. flicche, flikke, AS.
   flicce, akin to Icel. flikki; cf. Icel. fl[=i]k flap, tatter;
   perh. akin to E. fleck. Cf. {Flick}, n.]
   1. The side of a hog salted and cured; a side of bacon.
      --Swift.
   
   2. One of several planks, smaller timbers, or iron plates,
      which are secured together, side by side, to make a large
      girder or built beam.
   
   3. The outside piece of a sawed log; a slab. [Eng.]
   
   

2. \Flitch\, v. t. [imp. & p. p. {Flitched}; p. pr. & vb. n.
   {Flitching}.] [See {Flitch}, n.]
   To cut into, or off in, flitches or strips; as, to flitch
   logs; to flitch bacon.