Shiva Purana
हिरण्मयस्तु यो मेरुस्तस्योल्बं सुमहात्मनः ॥ गर्भोदकं समुद्राश्च जरायुश्चाऽपि पर्वताः ॥ ३१ ॥
The golden Meru is the foetus of that great Ātman; the oceans constitute the water of the womb and the mountains constitute the outer skin of the womb.
english translation
hiraNmayastu yo merustasyolbaM sumahAtmanaH ॥ garbhodakaM samudrAzca jarAyuzcA'pi parvatAH ॥ 31 ॥
hk transliteration by Sanscript