n.
- often Sun A star that is the basis of the solar system and that sustains life on Earth, being the source of heat and light. It has a mean distance from Earth of about 150 million kilometers (93 million miles) a diameter of approximately 1,390,000 kilometers (864,000 miles) and a mass about 330,000 times that of Earth.
- A star that is the center of a planetary system.
- The radiant energy, especially heat and visible light, emitted by the sun; sunshine.
- A sunlike object, representation, or design.
v., sunned, sun·ning, suns. v.tr.
To expose to the sun's rays, as for warming, drying, or tanning.
v.intr.
To expose oneself or itself to the sun.
idioms:
in the sun
- In the public eye.
- On the earth; in the world.
[Middle English, from Old English sunne.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.