'Flitch' definitions:

Definition of 'flitch'

noun

Fish steak usually cut from a halibut

noun

Salted and cured abdominal wall of a side of pork [syn: flitch, side of bacon]

From: GCIDE

Flitch \Flitch\, n.; pl. Flitches. [OE. flicche, flikke, AS. flicce, akin to Icel. flikki; cf. Icel. fl[imac]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. [1913 Webster]
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. [1913 Webster]
3. The outside piece of a sawed log; a slab. [Eng.] [1913 Webster]

From: GCIDE

Flitch \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. [Webster 1913 Suppl.]