flitch /flɪtʃ/noun 2verb 1forms 3 noun2 •The flank or side of an animal, now almost exclusively a pig when cured and salted; a side of bacon.The programme was loosely derived from a folk tradition, the Great Dunmow Flitch, in which the most happily married couple in the village were rewarded with a gift of a flitch of beef. — 2004 •A piece or strip cut off of something else, generally a piece of wood (timber).The Measure of a shell or Flitch of Timber. If a piece be taken out of the middle of a round piece of Timber from end to end; there will be left two pieces, which they call Shells or Flitches. — 1706 verb1 •To cut into, or off in, flitches or strips.to flitch logs formsflitched · flitching · flitches