שָׁרָב‎ (shârâb|shaw-rawb'|noun|masculine|glow)
[Heb] שָׁרָב‎ ETCBC: שָׁרָב‎ (subs|heat) OSHL: v.fx.ab TWOT: 2462a GK: H9220 Greek: ἄνυδρος, καύσων
Derivation: from an unused root meaning to glare;
Strong's: quivering glow (of the air), expectation. the mirage
KJV: heat, parched ground.