Knowledge Silo
Noun · Slang & Abbreviations
Definitions
A body of important knowledge concentrated in too few people or too isolated a team. In engineering slang, knowledge silos are one of the most common hidden forms of operational fragility.
In plain English: Important knowledge trapped in too few people or one isolated group.
Example: "The billing service was stable only until vacation season revealed the knowledge silo around how its settlement edge cases actually worked."