'Captainship' definitions:

Definition of 'captainship'

(from WordNet)
noun
The post of captain [syn: captainship, captaincy]

Definition of 'Captainship'

From: GCIDE
  • Captainship \Cap"tain*ship\, n.
  • 1. The condition, rank, post, or authority of a captain or chief commander. "To take the captainship." --Shak. [1913 Webster]
  • 2. Military skill; as, to show good captainship. [1913 Webster]