stringpiece
/ˈstrɪŋ.piːs/
noun
- A long, horizontal beam in a wooden structure, such as a staircase or a bridge, that supports the steps or floorboards.
- Each step was attached securely to the stringpiece on both sides.
- The carpenter replaced the rotted stringpiece on the old staircase.
- The bridge's stringpiece was made of treated oak to resist weather.
Synonyms