Strong's #8273: sharab (pronounced shaw-rawb')
from an unused root meaning to glare; quivering glow (of the air), expec. the mirage:--heat, parched ground.
Brown-Driver-Briggs Hebrew Lexicon:
ׁ
shârâb
1) burning or scorching heat, parched ground
Part of Speech: noun masculine
Relation: from an unused root meaning to glare
Usage:
This word is used 2 times:
Isaiah 35:7: " And the parched ground shall become a pool, and the thirsty land springs of water: in the habitation of dragons,"
Isaiah 49:10: "nor thirst; neither shall the heat nor sun smite them: for he that hath mercy"