ALL meanings of giant star
gi·ant star
G g - noun giant star a star having a diameter of from 10 to 100 times that of the sun, as Arcturus or Aldebaran. 1
- noun giant star any of a class of stars, such as Capella and Arcturus, that have swelled and brightened considerably as they approach the end of their life, their energy supply having changed 0
- noun giant star (astronomy) A star that has stopped fusing hydrogen in its core and as a result has grown much larger and brighter. 0