6. A condition or place of greathappiness,delight, or pleasure:Thelakewas heaven.
The Free Dictionary defines sky
n.pl.skies(sk?z)
1. Theexpanse of airoveranygivenpoint on theearth;theupperatmosphere as seenfromtheearths surface.
2. oftenskiesTheappearance of theupperatmosphere,especiallywith reference to weather:Threateningskiesportend a storm.
3. Thecelestialregions;theheavens:stars in thesouthernsky.
4. Thehighestlevel or degree:reachingforthesky.
As in English language, also in German the word Himmel may refer to a physical or spiritual heaven or to the physical sky above us.
In French, heaven is similarly paradise or ciel.
In Hebrew heaven can be
noun
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sky, heaven, firmament
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paradise, heaven, Eden, Elysium
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firmament, sky, ductile, heaven, expanse, canopy
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heaven
Usage Astronomers regularly use the noun sky as it refers to the physical space above us. In Judeo-Christian tradition the heavily loaded word heaven causes much confusion and logical difficulties if the spiritual and physical meanings are not carefully observed.
"In the beginning God created heavens and earth" Gen 1:1 leads directly to confusion about what is meant in the text by the majestic plural shamaim, heavens.