flitch
Concise Oxford English Dictionary © 2008 Oxford University Press:
flitch /flɪtʃ/
▶noun
- 1 a slab of wood cut from a tree trunk.
- 2 (also flitch plate) the strengthening plate in a flitch beam.
- 3 chiefly dialect a side of bacon.
– origin OE flicce, orig. denoting the cured side of any meat, of Gmc origin.
'flitch' also found in these Oxford entries:

