Entries on صعو in 9 Arabic dictionaries by the authors Muḥammad al-Fattinī, Majmaʿ Biḥār al-Anwār fī Gharāʾib al-Tanzīl wa Laṭāʾif al-Akhbār, Abū Mūsā al-Madīnī, al-Majmūʿ al-Mughīth fī Gharībay al-Qurʾān wa-l-Ḥadīth, Ibn Sīda al-Mursī, Al-Muḥkam wa-l-Muḥīṭ al-Aʿẓam, and 6 more
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(ص ع و)
الصَّعْوُ: العصفور الصَّغِير، وَالْأُنْثَى صَعْوَةٌ وَالْجمع صَعَوَاتٌ وصِعاءٌ.