Learner's definition of TENURE
1 [count] : the amount of time that a person holds a job, office, or title
During his tenure as head coach, the team won the championship twice.
her 12-year tenure with the company
His tenure in office will end with the next election.
2 [noncount] : the right to keep a job (especially the job of being a professor at a college or university) for as long as you want to have it 3 [noncount], law : the right to use property