Search Result for "senatorship": 
Wordnet 3.0

NOUN (1)

1. the office of senator; 



The Collaborative International Dictionary of English v.0.48:

Senatorship \Sen"a*tor*ship\, n.
   The office or dignity of a senator. --Carew.
   [1913 Webster]


WordNet (r) 3.0 (2006):

senatorship
    n 1: the office of senator