Noun
a wooden armchair with a saddle seat and a low back that has vertical spindles
Source: WordNetDuring my time we had two chairman of the joint chiefs of staff, at different times of course, on the bridge, both of whom asked my permission to sit on the captain's chair. Patrick Stewart
One day, out of irritation, I said, you know all of those years with the Royal Shakespeare Company, all those years of playing kings and princes and speaking black verse, and bestriding the landscape of England was nothing but a preparation for sitting in the captain's chair of the Enterprise. Patrick Stewart