Wiktionary
alt. (context idiomatic English) A person who will rescue a dangerous situation; a hero. n. (context idiomatic English) A person who will rescue a dangerous situation; a hero.
Usage examples of "knight in shining armor".
She had cried and begged for a Knight in Shining Armor and Nicholas had come to her.
If I had to go out and defend truth, justice, and the purity of childhood, I was damn well going to go as a knight in shining armor.
She believes him to be her knight in shining armor, the man she knew fifteen years ago, the handsome, older man who paid so much attention to a young, insecure girl.
Any one of them will look like a knight in shining armor when we introduce him to the public, and all of them are quite competent in their own field, but we've got enough time bombs hidden in their dossiers to blow them away any time we have to.
He was no knight in shining armor, and she was a long way from being a maiden whose virtue needed defending.
If she needed me to be her knight in shining armor -- or in my case, slightly tarnished armor.
An I supposed to think you're some kind of knight in shining armor?
Any one of them will look like a knight in shining armor when we introduce him to the public, and all of them are quite competent in their own field, but we’.