silo
/ˈsaɪləʊ/noun
(pl. -os)
1
- a tall tower or pit on a farm used to store grain筒仓, 窖（用于储存粮食）。
1.1
- a pit or other airtight structure in which green crops are compressed and stored as silage青贮窖。
2
- an underground chamber in which a guided missile is kept ready for firing导弹发射井。
3
- a system, process, department, etc. that operates in isolation from others独立机制（或程序、部门等）：
it's vital that team members step out of their silos and start working together.
队员们停止各自为政并继而开展团队协作是至关重要的。
词源
mid 19th cent.: from Spanish， via Latin from Greek siros 'corn-pit'.