ص ف نṣ-f-n
(ض) صَفَنَ يَصْفِنُ صُفُوْنًاṣafana yaṣfinu ṣufūnan: of a horse, to stand on three legs and rest the tip of the fourth hoof on the ground — among the Arabs this was the mark of a fine horse.
صَافِنٌṣāfin pl. صَافِنٰتٌṣāfināt (active participle, ism fāʿil): a horse standing in this way. Only once in the Quran, and that in the account of the horses of Sulaymān (peace be upon him): ﴿اِذْ عُرِضَ عَلَيْهِ بِالْعَشِيِّ الصّٰفِنٰتُ الْجِيَادُ﴾ (Ṣād 38:31)