I. noun
1.
the heavenly body about which the earth rotates
up in time to see the sun rise
Synonyms: daystar, phoebus, Sol
Related Word: celestial body, luminary, orb, star
Idioms: old Sol
2.
the radiation of the sun
enjoying the warm spring sun
Synonyms: sunlight, sunshine
Related Word: daylight; radiance, radiation
II. verb
to expose to sunshine
sunned himself too long and got badly burned
Synonyms: bask, insolate
Related Word: sunbathe; sunburn, sun-cure, sun-dry, tan