رُيءِمٌ

, (K, TA,) or الرُّيءِمُ, thus according to Kr, with ال, (M,) i. q. الاِسْتُ [The podex, or the anus]: (Kr, M, K:) [said to be] the only word of its measure except الدُّيءِلُ, which means “ a certain small beast. ” (M. [But see this last word.])