used to designate the brightest star in a constellation
the gaseous envelope surrounding a heavenly body
any of the nine large heavenly bodies revolving about the sun and shining by reflected light: a similar body revolving about a star other than the sun
any of the small bodies, often remnants of comets, traveling through space: when such a body enters the earth's atmosphere it is heated to luminosity and becomes a meteor
a zodiacal constellation between Leo and Libra, containing the bright star Spica also called the Virgin
a star in an intermediate stage of evolution, characterized by a large volume, low surface temperature, and reddish hue