Related Clues:

• Tenancy
• Professor's privilege
• Professor's job protection
• Reqmt. for giving someone the third degree?
• Teacher's job security
• Any "yo mama" joke, essentially
• Holding or property like tureen
• The holding of land or property
• The holding of office or land
• Right or period to hold, university post say
• Term for which to hold a position
• Length of time a position is held
• Possession for a decade, by the sound of it
• Holding this, one might run up in place of driving
• Holding this for a decade, by the sound of it