Classical Arabic - English Dictionary

هَوَسٌ Somewhat of madness, or insanity, or diabolical possession, (Ṣ, A, Ḳ,) in the head: (A:) or a vertigo, or giddiness, and confused noise, in the head. (A, TA.)

Hence used by the vulgar to signify Hope. (TA.)

مَهَوَّسٌ Affected with somewhat of madness, or insanity, or diabolical possession. (Ibn-ʼAbbád, Ḳ.)

A man who talks to himself. (A.)

Sometimes, One who is affected with melancholy, and with vain, or unprofitable, suggestions. (TA.)

And One who occupies himself with the science of alchemy. (TA.)