Definition of "Throne" :

noun: the position and power of an exalted person (a sovereign or bishop) who is entitled to sit in a chair of state on ceremonial occasions

noun: the chair of state for a monarch, bishop, etc.

"The king sat on his throne."

noun: a plumbing fixture for defecation and urination

verb: put a monarch on the throne

"The Queen was enthroned more than 50 years ago."

verb: sit on the throne as a ruler