thrones is a form of:

Throne



noun
1.
(the chair on which a king, cardinal, etc., sits on formal occasions, royal seat, sovereign power and dignity) រាជបងល្ល័ង (ស្ដេច), សោយរាជ្យ
ENGLISH MEANING
noun
1.
A chair of state, commonly a royal seat, but sometimes the seat of a prince, bishop, or other high dignitary.
2.
Hence, sovereign power and dignity; also, the one who occupies a throne, or is invested with sovereign authority; an exalted or dignified personage.
3.
A high order of angels in the celestial hierarchy; -- a meaning given by the schoolmen.
verb
1.
(TRANSITIVE) To place on a royal seat; to enthrone.
2.
(TRANSITIVE) To place in an elevated position; to give sovereignty or dominion to; to exalt.
3.
(INTRANSITIVE) To be in, or sit upon, a throne; to be placed as if upon a throne.