'Simoom' definitions:

Definition of 'simoom'

noun

A violent hot sand-laden wind on the deserts of Arabia and North Africa [syn: simoom, simoon, samiel]

From: GCIDE

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. [1913 Webster]

From: GCIDE

Samiel \Sa"mi*el\ (?; 277), n. [Turk. sam-yeli; Ar. samm poison + Turk. yel wind. Cf. Simoom.] A hot and destructive wind that sometimes blows, in Turkey, from the desert. It is identical with the simoom of Arabia and the kamsin of Syria. [1913 Webster]