This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A long piece of timber, forming a margin or edge of any piece of construction; especially one of the longitudinal pieces supporting a flight or run of stairs.

n. A long piece of timber, forming a margin or edge of any piece of construction; esp.

n. One of the longitudinal pieces, supporting the treads and rises of a flight or run of stairs.

n. A name of various parts in constructions of wood.

"Seeing one of the boats approaching, he stepped back off the piles and onto a stringpiece, or beam, that was wide enough to get a footing and where, he supposed, he would be clear of the piles should they be forced against the beam by the docking boat."

ESP