The phrase "a single plank" is correct and usable in written English.
It can be used when referring to one individual piece of wood, often in the context of construction, carpentry, or metaphorically to describe a singular component of a larger structure or idea.
Example: "The bridge was constructed using a single plank of wood, which was both impressive and concerning."
Alternatives: "one plank" or "a lone plank".
Its high back is a single plank of water-sawn sweet gum, a New England tree.
If a single plank or rod of the place remains, I could not find any sign of it.
When C. L. Franklin was around fifteen, he experienced a vision: he saw a single plank on the wall of his house engulfed in flames.
The majority of the furniture in the house is of Bello's design and make, including the dining chairs, each made from a single plank of redwood, and one more modern chair, a one-off.
Another chair, of the same period but possibly from New Orleans, attributed to an anonymous craftsman called the Stanton Hall Master, has a tall, elaborate back carved from a single plank, pierced legs and a lidded seat that covers a compartment for gloves.
At the Virginia Institute of Marine Science on Gloucester Point, "there's not a single plank left" of two piers used by researchers, says fisheries scientist Romuald Lipcius.
The painting was fragile, Mr. Gordon said, because of its age and the fact that it was painted on an unusually large single plank of wood.
Early German ninepins lanes were made of clay or cinders; later a single long plank about one foot wide was added, on which the ball was rolled.
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"It's like you've put a ship in the harbour and replaced every single plank," Dr David says with pride.
"The American people support every single plank of that bill.
