# FBI

Pronunciation: say "ef-bee-Y" /ˌɛf.biˈaɪ/

## Proper noun

1. Initialism of Federal Bureau of Investigation. *(US)* — Initialism of Federal Bureau of Investigation.
   - Simple: Initialism of Federal Bureau of Investigation. It is the everyday short name for the main national police agency of the United States.
   - _The FBI opened an investigation into the company's finances._
   - _After college, she applied to become an FBI agent._
3. The Federation of British Industry, an employers' organization that represented British business from 1916 to 1965 and was a forerunner of the Confederation of British Industry (CBI). *(British)*
   - Simple: A group that spoke for British companies from 1916 to 1965, before the CBI replaced it.
   - _Throughout the 1950s, the FBI pressed Whitehall for policies favorable to manufacturers._
   - _Her grandfather attended FBI conferences as a delegate for the steel industry._
4. A fire behavior index, a numerical rating of how intensely and how quickly a wildfire is likely to burn and spread under current weather and fuel conditions. *(Australia)*
   - Simple: A number that tells firefighters how strong and fast a fire is likely to burn.
   - _Authorities raised the warning level after the FBI climbed into the extreme range._
   - _Forecasters expect the FBI to peak in the afternoon as winds strengthen and humidity drops._

## Noun

2. A humorous reinterpretation of FBI as 'female body inspector,' used jokingly of a man who enjoys looking at women's bodies. *(US)*
   - Simple: A joke name, short for 'female body inspector', for a man who likes looking at women.
   - _At the reunion, Gary introduced himself as FBI and waited, grinning, for someone to ask what he meant._
   - _The souvenir shop sells FBI caps that make tourists snicker once they read the fine print._
5. A fixed-bit index, an index used in computing whose entries are each stored in the same fixed number of bits.
   - Simple: A list a computer uses to find data, where every entry is the same size.
   - _The database stores its keys in an FBI so that any entry can be located by simple arithmetic._
   - _Developers chose an FBI over a variable-length structure to keep lookup times predictable._

Source: DictionaryAI, https://dictionaryai.com/define/fbi (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).