Silo (noun)

1. A tall cylindrical structure, typically made of concrete or metal, used for the storage of grain or other materials.
2. A missile launch facility, especially one that is underground.
3. A group or department that operates in isolation from others and does not share information or resources.

Origin:

From spanish silo, from latin silus, from etruscan.

Examples:

1. Farmers use silos to store feed for their livestock.
2. The military base had a silo for nuclear missiles.
3. The company's decision-making process was hampered by the silos that existed between different departments.
4. Silos were used to store the grain to feed the population during the winter.
5. The silo was filled with wheat, barley and oats.