housekeeper

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun One who is employed to perform or direct the domestic tasks in a household.
• noun A housewife or househusband.
• noun An employee of an establishment, such as a hospital, inn, or hotel, who performs or coordinates housekeeping tasks.

from The Century Dictionary.

• noun One who occupies a house with his family; a householder.
• noun A woman, whether mistress or servant, who superintends the work of a household; a woman who regulates the internal affairs of a house.
• noun One who keeps much at home; a stay-at-home.
• noun One who keeps or guards the house; a house-dog.

from the GNU version of the Collaborative International Dictionary of English.

• noun One who occupies a house with his family; a householder; the master or mistress of a family.
• noun One who does, or oversees, the work of keeping house; ; often, a woman hired to superintend the servants of a household and manage the ordinary domestic affairs.
• noun obsolete One who exercises hospitality, or has a plentiful and hospitable household.
• noun rare One who keeps or stays much at home.
• noun obsolete A house dog.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun One who looks after the home by herself; either as a wife or a hired servant.
• noun A woman who supervises the female domestic staff of a large home.
• noun One who supervises the cleaning staff of a hospital, hotel, or similar business.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a servant who is employed to perform domestic task in a household