sun

sun - noun

• The luminous celestial body around which the earth and other planets revolve, from which they receive heat and light, which is composed mainly of hydrogen and helium, and which has a mean distance from earth of about 93,000,000 miles (150,000,000 kilometers), a linear diameter of 864,000 miles (1,390,000 kilometers), and a mass 332,000 times greater than earth

• A celestial body like the sun : star

• The heat or light radiated from the sun

• One resembling the sun (as in warmth or brilliance)