Eggs are dropped by Chickens randomly. They are only used in creating Cakes. When thrown (By the player or via a Dispencer) they will spawn a Chicken where they land.
Recipes to obtain Egg
Egg can not be crafted.
Recipes that require Egg
Egg can not be used for crafting.
Recipes to smelt Egg
Egg can not be smelted.
Recipes that require Egg to smelt
Egg can not be used for smelting.