fiddlebacks
/ˈfɪdəlˌbæks/
noun
- Plural of fiddleback; multiple pieces of wood with a wavy grain pattern, or multiple fiddleback spiders.
- Fiddlebacks are common in the lumber trade for high-end instruments.
- The old barn was infested with fiddlebacks.
- The workshop had several fiddlebacks stacked against the wall.