sunlight

noun

1. (countable, uncountable)All the electromagnetic radiation given off by the Sun; especially, that in the visible spectrum and that bathes the Earth.

   “Meronym: sunbeams”

   “Near-synonym: daylight”

   “Sunlight on the skin gives you vitamin D.”

   “The solitary, lumbering trolls of Scandinavian mythology would sometimes be turned to stone by exposure to sunlight. Barack Obama is hoping that several measures announced on June 4th will have a similarly paralysing effect on their modern incarnation, the patent troll.”

   “Instead of using unpolarized sunlight as my light source and then filtering it with a polarizer, I can just use my screen as a source of polarized light.”

2. (countable, figuratively, uncountable)Brightness, hope; a positive outlook.
3. (countable, uncountable)Synonym of sunrise.
4. (attributive, countable, uncountable)Synonym of photic (“describing that part of the near-surface ocean in which photosynthesis is possible.”).

   “sunlight zone”

verb

1. To work on the side (at a secondary job) during the daytime.