1.U （职位，如政治地位、土地或其他资产等的）保有　 holding of (e. g. political) office or land or other property, etc.
2.U 保有期，保有状况，保有权，保有条件　 period or manner of this
3.U （大学或其他机构中教师等的）长期聘用　 permanent appointment as a teacher, etc. in a university or some other institution

　He remained popular throughout his tenure of the office of mayor.　他在担任市长的整个任期内都深得民心。
　He has recently been refused tenure.　他最近被拒绝授予终身职位。

［派生词］ tenurial adj.保有的