مَيْدَانٌ
1.
(S, L, Msb, K, &c.) and
مِيدَانٌ (K) A horse-course; race-ground; hippodrome: (Msb, TA:) plural مَيَادِينُ: (S, K, &c.:) of the measure فَعْلَانٌ, (IKtt,) from ماد “ it was in a state of motion; ” because the sides of the horsecourse shake on the occasion of a race: (Msb:) or from ماد “ it turned or twisted about, or became contorted and convulsed; ” because the horses wheel about, and bend or convulse themselves, in the place so called: or of the measure فَلْعَانٌ, from مَدًى “ a limit, or goal; ” because horses run to their goals in the place so called; originally مَدْيَانٌ, the second and third radicals being transposed; as in بِيزَانٌ, originally بُزْيَانٌ: or of the measure فَيْعَالٌ, from مَدَنَ “ he abode, or dwelt; ” because horses confine themselves especially to the place so called for wheeling about and the like. (IKtt.)