take someone's part

take (one's) part

To support or part with someone in an argument. You always take your wife's part, even if you don't agree with her! Thank you for taking my part at the meeting. I was starting to feel like I was on my own in there.
See also: part, take
Farlex Dictionary of Idioms.

take someone's part

Stand up for or support someone, as in Thanks for taking my part against the supervisor. This idiom uses part in the sense of "side in a dispute." It was first recorded in 1732, although a different version, take part with, dates from the early 1400s. Also see take sides; take part.
See also: part, take
The American Heritage® Dictionary of Idioms by Christine Ammer.

take someone's part

BRITISH, OLD-FASHIONED
If you take someone's part, you support them in an argument. It seemed to me that she should have taken my part and defended me from my father.
See also: part, take
Collins COBUILD Idioms Dictionary, 3rd ed.
See also:
  • take (one's) part
  • take part
  • take somebody's part
  • want no part in/of (something)
  • on the part of
  • on the part of (someone)
  • for (one's) part
  • for my, his, etc. part
  • for one's part
  • for part