رعب

رَعْبٌ ذ an inf. n. of 1, in senses pointed out above. (M, A, Msb, TA.) ― -b2- A threat, or threatening. (K.) ― -b3- A charm or charming, or a fascination or fascinating, by magical enchantment [or by the eye ] or otherwise. (K.) ― -b4- (assumed tropical:) A rhyming prose of the Arabs. (K.)