مُغِيرٌ

A horse swift in running: [see also what next precedes:] and ↓ مِغْوَارٌ [likewise] signifies a swift horse: or this latter, according to Lh, vehement in running: and its plural is مَغَاوِيرُ. (TA.)

خَيْلُ مُغِيرَةٌ and مِغِيرَةٌ: see غَارَةٌ.