master-n; 7 Senses

Sense Number 1: a great artist

Commentary: MASTER[+entity][+person][+artist][+great]
NOTE: a narrow, specific usage of Sense 2
NOTE: refers to great individuals in the arts.

The works of the great masters are found in museums around the world.
The art students were copying works of the masters.
This old master sold at auction for more than ten million dollars. (work of a master)

WordNet 3.0 Sense Numbers: 1

Sense Number 2: a highly skilled practitioner of some endeavor

Commentary: MASTER[+entity][+person][+practitioner][+skilled]
NOTE: refers to anyone who is highly skilled or accomplished at something.

The chess master played ten simultaneous games against amateurs.
This British author is a master of innuendo and suspense.
We complimented the master chef on his fabulous seasonal menu.
The bank robber was a master of disguise.

WordNet 3.0 Sense Numbers: 9

Sense Number 3: a ruler, one who dominates, controls

Commentary: MASTER[+entity][+person][+ruler]
NOTE: implies overall authority, dominance, power of someone

The master gave his slaves their freedom.
The dog disobeyed his master and chased the cat across the yard.
You need to become master of this situation.
The British navy was master of the seas in the 19th century.
Captain Smith is the master of a merchant vessel. (in command)
The young bond traders considered themselves to be masters of the universe.
It's a sci-fi film about a master race from Alpha Centauri who colonize Mars.
Who is the master of the house? (archaic usage: 'your home is your castle' idea)
Each of us should be the master of our own destiny.

WordNet 3.0 Sense Numbers: 2, 3, 7

Sense Number 4: appointed manager or overseer

Commentary: MASTER[+entity][+person][+manager][+appointed]
NOTE: implies appointment to the role, often temporary and/or specific to a task.

After twenty years of teaching, Mr. Jones finally became master of the school.
The recruits thought their drill master was very tough on them.
The sailing master is in charge of the ship's navigation.
Who is our master of ceremonies this evening?
Pierre is the cellar master for a famous Bordeaux winery.

WordNet 3.0 Sense Numbers: 4, 5

Sense Number 5: an academic rank, scholar with this rank

Commentary: MASTER[+relation][+rank][+academic] [+entity][+person][+scholar]

Mary is earning her master's in engineering.
Bob has a master of science from a prestigious university.
They are masters candidates, but are not in the Ph.D program.

WordNet 3.0 Sense Numbers: 8

Sense Number 6: an original form which can be replicated

Commentary: MASTER[+entity][+artifact][+media][+original][+replicable]
NOTE: refers to original media that can be duplicated.

The master copy of the film has been destroyed in a fire.
I can make you some duplicates from my master.
Only 200 prints will be made off the master.
John made a second key from his master. (here, it refers to duplicating, not a universal access passkey)

WordNet 3.0 Sense Numbers: 6

Sense Number 7: a controlling device

Commentary: MASTER[+entity][+artifact][+device][+controlling]
NOTE: refers to devices with a primary, controlling or sometimes universal function

The janitor has the only master key to the building. (universal access)
If we had the master I could unlock this door, but I have only a key to my office.
The master cylinder has a crack in it.

WordNet 3.0 Sense Numbers: 10