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.]

Source: Webster's Revised Unabridged Dictionary (1913)