phrases, sayings, idioms and expressions at

Columbus egg

Posted by RRC on March 05, 2008 at 19:52:

In Reply to: Columbus egg posted by S.A. Mallal on March 05, 2008 at 18:47:

: What does 'Columbus egg' mean and what is its background?

A Columbus's egg is something that is obvious once you know the secret. You can read about it here...