egg
NOUN:
An object that contains a baby animal in a shell. Some shells you can see through like on frog eggs, and some you can not see through, like chicken eggs.
http://www.flickr.com/photos/poeticallychallanged/493222635/
NOUN:
An object that contains a baby animal in a shell. Some shells you can see through like on frog eggs, and some you can not see through, like chicken eggs.