seven-level English

Meaning seven-level meaning

What does seven-level mean?

seven-level noun

— (military, US) A person who has qualified for "Craftsman" level of skill in the United States Air Force, with more training than "Journeyman" (five-level), but less than a "Superintendent" (nine-level)

— Short for seven-level screwdriver, so-called because it was standard seven-level equipment.