the large bright object in the sky that gives us light and heat, and around which the Earth moves:
The sky was blue and the sun was shining.
The Sun rises in the east and sets in the west.
The sun's rays reflected off the lake.
the heat and light that come from the sun:
Too much sun is bad for you.
in the sun
We sat in the sun, eating ice cream.
the warmth of the afternoon sun
any star around which planets move
used to emphasize that you are talking about a large range of things:
You can buy jeans in every colour under the sun.
5 British English, get some sun American English
if someone catches or gets the sun, they become slightly red or brown because they have been outside in the sun
➔ make hay while the sun shinesat hay (2)WORD FOCUS: space
vehicles used in space: spaceship, spacecraft, rocket, (space) shuttle, probe, satellite, space station
someone who travels in space: astronaut, cosmonaut Russian
parts of a rocket's journey: countdown, launch, blast-off/take-off/lift-off, leaving the earth's atmosphere, going into orbit, re-entering the earth's atmosphere, splashdown/touchdown
places and things in space: planet, moon, star, sun, satellite, solar system, constellation, galaxy, universe, the cosmos, black hole, quasar, comet, meteor, asteroid
the study of space: astronomyspace
➔ See also space