Planking is the act of laying thick boards to build a platform or structure.(noun)
An example of planking is building a wooden deck.
Planking is defined as laying your body on top of an object and balancing there, while stretched out and stiffened, usually while a photo is taken.(noun)
An example of planking is balancing on top of a rock to have your photo taken.
See planking in Webster's New World College Dictionary
See planking in American Heritage Dictionary 4
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