فِرْسٌ

A species of plant: (Yaakoob, S, M, O, K:) the قَصْقَاص, (O, and so in copies of the K,) or قَضْقَاض, (so in the CK,) [each said to be a name of the أُشْنَان (or kali) of Syria, or of a species of حَمْض, q. v.,] according to Abu-l-Meká- rim: (O:) or the حَبْن [q. v.]: or the بَرْوَق [q. v.]: (O, K:) or the [small kind of thorny trees called] شِرْس. (TA.)