Strong’s Dictionary of Hebrew Words:
Transliteration:
shamayim
Meaning:
dual of an unused singular shameh {shaw-meh'}; from an unused root meaning to be lofty; the sky (as aloft; the dual perhaps alluding to the visible arch in which the clouds move, as well as to the higher ether where the celestial bodies revolve)
KJV Usage:
air, X astrologer, heaven(-s)