When did the saying "eat crow" originate? What is meant by it?

Answer 1

The best-known traditional expression of this type in the US is to eat crow. The origin seems fairly obvious: the meat of the crow, being a carnivore, is presumably rank and extremely distasteful, and the experience is easily equated to the mental anguish of being forced to admit one’s fallibility.

Answer 2

To eat crow means you have to humble yourself and apologize for something you said or did. Usually, when someone is arrogant or a know-it-all, they have to eat crow/eat humble pie when they are proven wrong.

Answer 3

urbandictionary.com