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noun
1.
any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night.
2.
Astronomy. any of the large, self-luminous, heavenly bodies, as the sun, Polaris, etc.
3.
any heavenly body.
4.
Astrology. a heavenly body, especially a planet, considered as influencing humankind and events.
5.
a person’s destiny, fortune, temperament, etc., regarded as influenced and determined by the stars.
6.
a conventionalized figure usually having five or six points radiating from or disposed about a center.
7.
this figure used as an ornament, award, badge, mark of excellence, etc.:
The movie was awarded three stars.
8.
Jewelry.

a gem having the star cut.
the asterism in a crystal or a gemstone, as in a star sapphire.
a crystal or a gemstone having such asterism.
star facet.

9.
Printing. an asterisk.
10.
a person who is celebrated or distinguished in some art, profession, or other field.
11.
a prominent actor, singer, or the like, especially one who plays the leading role in a performance.
12.
U.S. Military. battle star.
13.
U.S. Navy.

a gold or bronze star worn on the ribbon of a decoration or medal to represent a second or subsequent award of the same decoration or medal.
a silver star worn in place of five gold or bronze stars.

14.
a white spot on the forehead of a horse.
15.
Heraldry. a mullet.
adjective
16.
celebrated, prominent, or distinguished; preeminent:
a star basketball player; a star reporter.
17.
of or relating to a star or stars.
verb (used with object), starred, starring.
18.
to set with or as with stars; spangle.
19.
to feature as a star:
an old movie starring Rudolph Valentino.
20.
to mark with a star or asterisk, as for special notice.
verb (used without object), starred, starring.
21.
to shine as a star; be brilliant or prominent.
22.
(of a performer) to appear as a star:
He starred in several productions of Shaw’s plays.
Idioms
23.
make someone see stars, to deal someone a severe blow causing the illusion of brilliant streaks of light before the eyes:
The blow on the head made him see stars, and the next thing he knew he was in the hospital.
24.
thank one’s lucky stars, to acknowledge one’s good fortune; be grateful:
Instead of complaining about hospital bills she should thank her lucky stars she’s still alive.
Also, thank one’s stars.
noun
1.
any of a vast number of celestial objects that are visible in the clear night sky as points of light
2.

a hot gaseous mass, such as the sun, that radiates energy, esp as light and infrared radiation, usually derived from thermonuclear reactions in the interior, and in some cases as ultraviolet, radio waves, and X-rays. The surface temperature can range from about 2100 to 40 000°C See also Hertzsprung-Russell diagram, giant star, white dwarf, neutron star, black hole
(as modifier): a star catalogue, related adjectives astral sidereal stellar

3.
(astrology)

a celestial body, esp a planet, supposed to influence events, personalities, etc
(pl) another name for horoscope (sense 1)

4.
an emblem shaped like a conventionalized star, usually with five or more points, often used as a symbol of rank, an award, etc
5.
a small white blaze on the forehead of an animal, esp a horse
6.
Also called star facet. any of the eight triangular facets cut in the crown of a brilliant
7.

a distinguished or glamorous celebrity, often from the entertainment world
(as modifier): star quality

8.
another word for asterisk
9.
(often capital) a type of keelboat, designed to be crewed by two people
10.
(prison slang) a convict serving his first prison sentence
11.
see stars, to see or seem to see bright moving pinpoints of light, as from a blow on the head, increased blood pressure, etc
verb stars, starring, starred
12.
(transitive) to mark or decorate with a star or stars
13.
to feature or be featured as a star: “Greed” starred Erich von Stroheim, Olivier starred in “Hamlet”
star
(stär)

A large, spherical celestial body consisting of a mass of gas that is hot enough to sustain nuclear fusion and thus produce radiant energy. Stars begin their life cycle as clouds of gas and dust called nebulae and develop, through gravitation and accretion, into increasingly hot and dense protostars. In order to reach the temperature at which nuclear reactions are ignited (about 5 million degrees K), a protostar must have at least 80 times the mass of Jupiter. For most of its life a star fuses hydrogen into helium in its core, during which period it is known as a dwarf star and is classed according to its surface temperature and luminosity (or spectral type) on a continuum called the main sequence in the Hertzsprung-Russell diagram. When a star exhausts the hydrogen in its core, it typically develops into one of several non-main-sequence forms depending on how massive it is. Smaller stars, with masses less than eight times that of the Sun, become red giants and end their lives, after blowing away their outer layers, as white dwarfs. More massive stars become supergiants and end their lives, after exploding in a supernova, as either a neutron star or ablack hole.

Any of the celestial bodies visible to the naked eye at night as fixed, usually twinkling points of light, including binary and multiple star systems.

star definition

An object in the sky that sends out its own light, generated by nuclear reactions in its center. There are many billions of stars in our galaxy, the Milky Way.

Note: Our own sun is a medium-sized star.

Note: Each star has a definite lifetime and dies when it uses up its supply of fuel. (See black hole, neutron star, supernova, and white dwarf.)

Note: All chemical elements heavier than helium are created in the center of stars and are returned to space when the star dies.

Note: New stars are forming constantly.