silo has definitions from the fields of architecture,military
1
[ noun ] (architecture) a cylindrical tower used for storing silage

Used in print

(Frieda Arkin, "The Light of the Sea," in The...)

Abel sat and regarded the farm country which , spreading_out from both sides of the road , rolled greenly up to where the silent white houses and long barns and silos nested into the tilled fields .

Related terms

tower

2
[ noun ] (military) military installation consisting of an underground structure where ballistic missiles can be stored and fired
*