in (one's) corner(redirected from in their corner)
in (one's) corner
Giving one's full support to someone. I'm nervous about the trial, but I'm glad I have you in my corner. I feel a little bad that he's going into the meeting with no one in his corner.
in your corner
If someone is in your corner, they are supporting you and helping you. It's good to know that whatever happens, he'll support me and be in my corner. Note: You can also say that you have someone in your corner. From words spoken after our meeting, we felt we already had Bob Uhlein in our corner. Note: In a boxing match, each boxer is given a corner of the ring. Trainers and helpers come into a boxer's corner between rounds and give help and encouragement.
in someone's corneron someone's side; giving someone support.
This idiom and fight your corner are boxing metaphors and refer to the diagonally opposite corners taken by opponents in a boxing match. Trainers and assistants are in a boxer's corner to offer support and encouragement between rounds.