DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   tenure
       n 1: the term during which some position is held [syn: tenure,
            term of office, incumbency]
       2: the right to hold property; part of an ancient hierarchical
          system of holding lands [syn: tenure, land tenure]
       v 1: give life-time employment to; "She was tenured after she
            published her book"