Main Entry: ¹sun

Pronunciation: \ˈsən\

Function: noun

Etymology: Middle English sunne, from Old English; akin to Old High German sunna sun, Latin sol — more at solar

Date: before 12th century

1 a often capitalized : 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 b : a celestial body like the sun : star
2 : the heat or light radiated from the sun <played in the sun all day>
3 : one resembling the sun (as in warmth or brilliance)
4 : the rising or setting of the sun <from sun to sun>
5 : glory, splendor

— in the sun : in the public eye

— under the sun : in the world : on earth