Entries on زفر in 13 Arabic dictionaries by the authors Muḥammad al-Fattinī, Majmaʿ Biḥār al-Anwār fī Gharāʾib al-Tanzīl wa Laṭāʾif al-Akhbār, Ibn Manẓūr, Lisān al-ʿArab, Al-Rāghib al-Isfahānī, al-Mufradāt fī Gharīb al-Qurʾān, and 10 more
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زفر: {وزفيرا}: أول نهيق الحمار.