n.
〈气〉西蒙风，沙漠地区的干热风

[ noun ]
a violent hot sand-laden wind on the deserts of Arabia and North Africa
<noun.phenomenon>

Simoom \Si*moom"\, Simoon \Si*moon"\, n. [Ar. sam?m, fr. samma
to poison. Cf. {Samiel}.]
A hot, dry, suffocating, dust-laden wind, that blows
occasionally in Arabia, Syria, and neighboring countries,
generated by the extreme heat of the parched deserts or sandy
plains.