silo
noun /ˈsaɪləʊ/
  /ˈsaɪləʊ/
 (plural silos)
- a tall tower on a farm used for storing grain, etc.
enlarge image- In modern mills, grain is stored in silos which are often separate from the mill.
 - The grass is cut for hay, then some of it is stored in silos.
 
 - an underground place where nuclear weapons or dangerous substances are kept
- It is believed there are missile silos located in the desert.
 
 - an underground place where silage is made and stored
 - a system, process, department, etc. that operates separately or is thought of as separate from others
- Some departments have become silos and no longer communicate regularly with one another.
 - In some countries, the economy and foreign policy are considered in separate silos.
 
 
Word Originmid 19th cent.: from Spanish, via Latin from Greek siros ‘corn pit’.
