Random, irregular motion of the plane or of one of its parts caused by turbulences in the airflow(noun)
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Use "buffeting" in a sentence
"“The unused air bag on the left remains in exactly the same position, no matter how much buffeting is supposedly going on in the plane.”"
"And as it went through the wind sheer -- remember, I came up, tried to envision the wind coming straight down to the ground, hitting the ground and then kind of buffeting outward."
"It was the reward of courageous 'buffeting' and enslaving of the body; he was an austere ascetic."