Meaning of the word "in harness" in English

What does "in harness" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

in harness

US /ɪn ˈhɑːrnɪs/
UK /ɪn ˈhɑːrnɪs/
"in harness" picture

Idiom

1.

working or performing one's duties, especially after a period of rest or inactivity

Example:
After a long vacation, it's good to be back in harness.
The old politician was still in harness, actively participating in debates.
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