olemus
Wiktionary:
1. (agriculture) a vertical building, usually cylindrical, used for the production of silage
2. (agriculture) from the shape, a building used for the storage of grain
Synonyms: granary, grain elevator
3. (military) an underground bunker used to hold missiles which may be launched

ülevaateid
https://en.wikipedia.org/wiki/Silo

https://en.wikipedia.org/wiki/Missile_launch_facility