A shooting star is a piece of rock or metal that burns very brightly when it enters the Earth's atmosphere from space, and is seen from Earth as a bright star travelling very fast across the sky.
shooting star in British English
noun
an informal name for meteor
shooting star in American English
1.
meteor (sense 1)
2.
any of a genus (Dodecatheon) of North American plants of the primrose family, with clusters of flowers whose petals are turned back