groom

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

• noun A person employed to take care of horses or a stable.
• noun A man who is about to be married or has recently been married.
• noun One of several officers in an English royal household.
• noun A man.
• noun A male servant.
• intransitive verb To care for the appearance of; to make neat and trim.
• intransitive verb To clean and brush (an animal).
• intransitive verb To remove dirt and parasites from the skin, fur, or feathers of (another animal).
• intransitive verb To prepare, as for a specific position or purpose.
• intransitive verb Sports To prepare (terrain) for participants in a sport, as by packing down new snow and leveling moguls for skiers.
• intransitive verb To care for one's appearance.

from The Century Dictionary.

• To tend or care for, as a horse; curry, feed, etc. (a horse): sometimes, in horse slang, used with reference to a person.
• noun A man newly married, or about to be married; a bridegroom: the correlative of bride.
• noun A boy; a youth; a young man.
• noun A boy or man in service; a personal attendant; a page; a serving-man.
• noun Specifically A boy or man who has the charge of horses; one who takes care of the horses or the stable.
• noun One of several officers in the English royal household: as, groom of the stole; groom of the chamber.
• noun See groom.

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

• intransitive verb To tend or care for, or to curry or clean, as a, horse.
• noun A boy or young man; a waiter; a servant; especially, a man or boy who has charge of horses, or the stable.
• noun One of several officers of the English royal household, chiefly in the lord chamberlain's department
• noun A man recently married, or about to be married; a bridegroom.
• noun formerly an officer in the English royal household, who attended to the furnishing of the king's lodgings and had certain privileges.

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

• noun A person who cares for horses.
• verb To attend to one's appearance and clothing.
• verb To care for horses or other animals by brushing and cleaning them.
• verb To prepare a ski slope for skiers
• verb transitive To attempt to gain the trust of a minor or adult with the intention of subjecting them to abusive or exploitative behaviour such as sexual abuse, human trafficking or sexual slavery.
• noun A man who is about to become or has recently become part of a married couple. Short form of bridegroom.

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

• verb educate for a future role or function
• noun a man who has recently been married
• noun someone employed in a stable to take care of the horses
• verb care for one's external appearance
• verb give a neat appearance to
• noun a man participant in his own marriage ceremony