noun

• (agriculture) A vertical building, usually cylindrical, used for the production of silage.
• (agriculture) From the shape, a building used for the storage of grain.
• (military) An underground bunker used to hold missiles which may be launched.
  "As a rule of thumb, to reliably destroy a hardened missile silo or communications bunker, a one megaton warhead should land within a 600 foot radius of its target. This will ensure that the enemy silo lies within the crater gouged out by the nuclear blast."
• (informal, derogatory, management) An organizational unit that has poor interaction with other units, negatively affecting overall performance.
  "A silo is created when members in one department or function do not interact with those in another department, even though there might be operational benefits to the interaction."

verb

• (transitive) To store in a silo.
• (transitive) To separate; to isolate.
  "Then there’s the fact that platforms like TikTok tend to silo users based on interests. Niche communities (insert hobby here plus Tok) are thriving, and so a person who may be famous on FarmTok or BookTok may have trouble breaking out of the mold."