(astronomy) Any of a class of young visible stars having optical variability; they are often surrounded by a protoplanetary disc.

A nickname for the national flag of the United States of America. / The national anthem of the United States of America.

(chemistry) a star macromolecule having arms composed of different types or numbers of monomers

(chemistry) a star macromolecule having identical arms

plural of star-nosed mole

plural of super star cluster

A young, very massive, and very dense star cluster.

(stars) The degenerate core of a massive star, prior to its emergence after a supernova as a neutron star.

(astronomy, informal) The star Fomalhaut.

(slang) A gay man who has never had sex with a woman.