Entries on صطم in 6 Arabic dictionaries by the authors Ibn Manẓūr, Lisān al-ʿArab, Habib Anthony Salmone, An Advanced Learner's Arabic-English Dictionary, Muḥammad al-Fattinī, Majmaʿ Biḥār al-Anwār fī Gharāʾib al-Tanzīl wa Laṭāʾif al-Akhbār, and 3 more
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صطم
وحَكَى الاصْطُمة: في مَعْنى السِّين.