We found 16 dictionaries that define the word air traffic controller:

General (12 matching dictionaries)

1. air traffic controller: Merriam-Webster
2. air traffic controller: Oxford Learner's Dictionaries
3. air-traffic controller, air-traffic controller: Collins English Dictionary
4. air traffic controller: Cambridge Advanced Learner's Dictionary
5. air traffic controller: Wiktionary
6. air-traffic controller: Dictionary.com
7. Air Traffic Controller (band), Air Traffic Controller (video game), Air traffic controller: Wikipedia, the Free Encyclopedia
8. air-traffic controller, air traffic controller: TheFreeDictionary.com
9. air traffic controller: Longman Dictionary of Contemporary English
10. air traffic controller: Merriam-Webster

Business (1 matching dictionary)

11. Travel Industry Dictionary (No longer online)

Computing (1 matching dictionary)

12. Air traffic controller, air-traffic controller: Encyclopedia

Slang (1 matching dictionary)

13. Air Traffic Controller: Urban Dictionary

Tech (1 matching dictionary)

14. DOD Dictionary of Military Terms (No longer online)

Definitions from Wiktionary (air traffic controller) ▸ noun:  A person who operates an air traffic control system, to expedite the safe flow of aircraft. Similar: flight attendant, traffic cop, dispatcher, airperson, pilot, trafficant, controller, telephone operator, ticket agent, air host, more... Opposite: pilot, aviator, flight attendant, airline crew member ▸ Words similar to air traffic controller ▸ Usage examples for air traffic controller ▸ Idioms related to air traffic controller ▸ Wikipedia articles (New!) ▸ Words that often appear near air traffic controller ▸ Rhymes of air traffic controller ▸ Invented words related to air traffic controller