from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A noncommissioned air force officer who is in charge of a group of enlisted people, such as maintenance specialists, on the flight line.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The leader or the head of a crew.
- n. the chief umpire, referee or other official.
Sorry, no etymologies found.