1moon 
/ˈmu:n/ noun
plural moons /ˈmu:n/ noun 1 the moon or the Moon : the large round object that circles the Earth and that shines at night by reflecting light from the sun
▪ The telescope makes the craters on the surface of the moon incredibly clear. ▪ The moon isn't out tonight. = There's no moon tonight. [=the moon cannot be seen tonight] ▪ the first moon [=lunar] landing [=the first time people landed a spacecraft on the moon] ▪ the orbit of the Moon around the Earth — see also blue moon, full moon, half-moon, harvest moon, new moon 2 [count] : a large round object like the moon that circles around a planet other than the Earth
▪ Europa and Io are both moons of Jupiter. ▪ a planet orbited by one moon
▪ The telescope makes the craters on the surface of the moon incredibly clear. ▪ The moon isn't out tonight. = There's no moon tonight. [=the moon cannot be seen tonight] ▪ the first moon [=lunar] landing [=the first time people landed a spacecraft on the moon] ▪ the orbit of the Moon around the Earth — see also blue moon, full moon, half-moon, harvest moon, new moon
▪ Europa and Io are both moons of Jupiter. ▪ a planet orbited by one moon
ask for the moon or Brit cry for the moon
informal : to ask for something that is very difficult or impossible to get
▪ The striking workers say they just want to be paid what they're worth. They're not asking for the moon.
▪ The striking workers say they just want to be paid what they're worth. They're not asking for the moon.
many moons
informal : a very long time
▪ I visited my old school yesterday for the first time in many moons. ▪ But that was all many moons ago.
▪ I visited my old school yesterday for the first time in many moons. ▪ But that was all many moons ago.
over the moon
informal : very happy or pleased about something
▪ She's over the moon at being chosen for the award.
▪ She's over the moon at being chosen for the award.
promise (someone) the moon — see 2promise
reach/shoot for the moon
: to try to do or get something that is very difficult to do or get
▪ an ambitious businessman who is always shooting for the moon
▪ an ambitious businessman who is always shooting for the moon
— moon·less /ˈmu:nləs/ adjective
▪ a moonless night [=a night during which the moon cannot be seen]
/ˈmu:nləs/ adjective ▪ a moonless night [=a night during which the moon cannot be seen]
