A 180-degree turn towards the right (especially of troops)(noun)
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Use "right-about" in a sentence
"He wrote later, "Just as rapidly as the message had traveled over the cables, I decided on my change of front -- to turn to the right-about, and face to the South.""
"Just as rapidly as the message had travelled over the cables I decided on my change of front -- to turn to the right-about, and face to the South."
"This was classic Clinton: smart, high-minded, right-about health care, at least-and somewhat evasive."