What is the definition of majeger?

"Majeger" is not a recognized word in the English language. It's likely a misspelling of "major," which has several definitions:

1. (adjective):

* Important, significant, or serious: "This is a major problem."

* Of greater importance or size: "The major cities of the country."

* Chief or principal: "The major shareholder in the company."

2. (noun):

* A field of study: "What is your major?"

* A military rank: "He was a major in the army."

3. (verb):

* To specialize in: "She majors in English."

If you meant "majeger" as a specific term or slang, please provide more context so I can help you further.