(~s)
1.
Rung is the past participle of ring .
2.
The ~s on a ladder are the wooden or metal bars that form the steps.
I swung myself onto the ladder and felt for the next ~.
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3.
If you reach a particular ~ in your career, in an organization, or in a process, you reach that level in it.
I first worked with him in 1971 when we were both on the lowest ~ of our careers...
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