The Collaborative International Dictionary
Lords of the bedchamber
Bedchamber \Bed"cham`ber\, n.
A chamber for a bed; an apartment form sleeping in.
--Shak.
Lords of the bedchamber, eight officers of the royal household, all of noble families, who wait in turn a week each. [Eng.]
Ladies of the bedchamber, eight ladies, all titled, holding a similar official position in the royal household, during the reign of a queen. [Eng.]