flitch

1. A salted and cured side of bacon.
2. A longitudinal cut from the trunk of a tree.
3. One of several planks secured together to form a single beam.

[Middle English flicche, from Old English flicce.]

Side of bacon; half a pig, slit down the back, with the legs and shoulders removed.

1. A portion sawn from a log and normally manufactured into veneer or lumber.
2. Sheets of veneer, stacked in sequence, as cut from the log. 3. A thick timber cut with bark on one or more edges.
4. A board which forms part of a flitch beam.

The noun has 2 meanings:

Meaning #1: fish steak usually cut from a halibut

Meaning #2: salted and cured abdominal wall of a side of pork
  Synonym: side of bacon