Definitions

1. noun

a star; especially, a bright fixed star, as distinguished from a planet or comet

“The astronomer studied the position and brightness of various asters in the night sky.”

2. noun

the flowering part of a composite plant, as a daisy or a sunflower, typically forming a prominent cluster of small flowers

“The garden was filled with beautiful asters in shades of pink and purple.”

3. noun

an ancient Greek goddess of the morning star

“In Greek mythology, the goddess Aster was often associated with the planet Venus.”

4. proper noun

Aster (genus), a genus of flowering plants in the daisy family

“The botanist studied the Aster genus and its many species.”