seven-level

== English == === Alternative forms === seven level, 7-level === Etymology === Shortened from a longer, bureaucratic US military designation (an Air Force Specialty Code), where '7' was code for "Craftsman". === Noun === seven-level (plural seven-levels) (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) Ellipsis of seven-level screwdriver.