'Presidentship' definitions:

Definition of 'presidentship'

(from WordNet)
noun
The office and function of president; "Andrew Jackson expanded the power of the presidency beyond what was customary before his time" [syn: presidency, presidentship]

Definition of 'Presidentship'

From: GCIDE
  • Presidentship \Pres"i*dent*ship\, n. The office and dignity of president; presidency. --Hooker. [1913 Webster]