0 the area above the earth where you can see clouds, the sun, the moon, etc. -- cielo
1 there is no limit -- no existen límites
The sky’s the limit to what you can win in our competition.
2 the open air above the earth -- cielo [ masculine, singular ]
3 [ plural ] indicates the type of weather -- cielos
We found the regulation of open skies a very difficult issue.
Now even the sky is not the limit.
It is about, amongst other things, the notorious sky marshals, armed security officials on board aircraft.
Not to be able to see the sun in the sky because of the enormous amount of pollution is terrible.
The single sky is losing one of its major distinguishing characteristics.
As regards these empty skies and these airports full of people in distress, thought may have to be given to recasting the directives on transport, especially air transport.