Mill

A Mill is a civilian building which provides your colony's economy with a steady source of food. Mills are featured in Age of Empires II and Age of Empires III.

Age of Empires II
Mills in Age of Empires II are used for villagers to deposit the food they have collected. They are also used to research some technologies and, in The Conquerors expansion, are used to queue farms.

Age of Empires III
Mills in Age of Empires III are used to get a steady unending source of food even though it doesn't provide as much food as in hunting. Also there are some upgrades that the Mill provides for faster farming.

In the Discovery Age the following upgrades are available:
 * Seed Drill, costs 150 Wood and 150 Coin. Villagers gather Food at Mill 15% faster.