tsa
Definition
Proper noun A U.S. federal agency, the Transportation Security Administration, created in response to the September 11, 2001 attacks. Its primary mission is to protect the nation's transportation systems, with a significant focus on ensuring security in civil aviation and air travel.
Usage
TSA is used as a singular proper noun to refer to the agency itself. It is almost always preceded by the definite article "the."
Examples
- All passengers must go through a security screening conducted by the TSA.
- The TSA has implemented new rules regarding carry-on luggage.
- You can check the TSA website for a list of prohibited items.
Advanced Usage
- TSA PreCheck®: This is the name of a specific expedited screening program administered by the agency. It is a registered trademark.
- Traveling is much faster if you are enrolled in TSA PreCheck®.
- The term can be used attributively (like an adjective) before other nouns.
- We went through the TSA checkpoint.
- He is a TSA officer.
Variants and Related Words
- Transportation Security Administration: The full, formal name of the agency. This is often used in official documents or formal writing.
- TSA agent / TSA officer: Terms for an individual employee of the agency.
Synonyms
- Security agency (general term)
- Aviation security (refers to the function, not the organization)
Notes
TSA is an initialism (each letter is pronounced: T-S-A). It is not an acronym pronounced as a word. Its establishment was a key component of the Aviation and Transportation Security Act passed by the U.S. Congress in November 2001.
Noun
-
an agency established in 2001 to safeguard United States transportation systems and insure safe air travel
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