'Chieftainship' definitions:

Definition of 'chieftainship'

From: WordNet
noun
The position of chieftain [syn: chieftaincy, chieftainship]

Definition of 'Chieftainship'

From: GCIDE
  • Chieftaincy \Chief"tain*cy\, Chieftainship \Chief"tain*ship\, n. The rank, dignity, or office of a chieftain. [1913 Webster]