Entries on زفر in 13 Arabic dictionaries by the authors Habib Anthony Salmone, An Advanced Learner's Arabic-English Dictionary, Zayn al-Dīn al-Razī, Mukhtār al-Ṣiḥāḥ, Ismāʿīl bin Ḥammād al-Jawharī, Tāj al-Lugha wa Ṣiḥāḥ al-ʿArabīya, and 10 more
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زفر: {وزفيرا}: أول نهيق الحمار.