Salam the Quran describes the mountains as ruwasiya in several ayat can somebody give me the definition according to Classical Arabic dictionaries I tried searching it up using the online dictionary that brother ThatMuslimGuy gave me but I couldn't find it.
Rawasy
Arabic (رواسي) "mountains, at
anchor, stable, fixed"
رواسي would describe "
anchors".....
http://www.proz.com/kudoz/english_to_arabic/ships_sailing_maritime/1146437-marinas.htmlوَأَلْقَىٰ فِي الْأَرْضِ
رَوَاسِيَ أَنْ تَمِيدَ بِكُمْ وَأَنْهَارًا وَسُبُلًا لَعَلَّكُمْ تَهْتَدُونَِ
Waalqa fee alardi
rawasiya an tameeda bikum waanharan wasubulan laAAallakum tahtadoona
16:15 And He(God) placed mountains
as anchors in the earth so that it may not shake along with you, and streams and roads for you to find course.
but why would God says anchors?
look what this geologist say about mountains
...When oceanic and continental plates come together, geologists believe the continental crust buckles.
On the surface, the buckling manifests itself as a rising mountain range, but beneath the crust, the buckling creates a heavy, high-density "root" that holds the crust down like an anchor, says Garzione. Conventional tectonic theory says that convection of the fluid mantle deep in the Earth slowly erodes this heavy root like a stream wearing down a rock, allowing mountains to gradually rise as the crust shortens and thickens....
http://www.sciencedaily.com/releases/2008/06/080605150912.htm