Akademik

natal
1. Relating to birth. [L. natalis, fr. nascor, pp. natus, to be born] 2. Relating to the buttocks or nates. [L. nates, buttocks]

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na·tal 'nāt-əl adj of or relating to birth <lowering the \natal death rate (Jour. Amer. Med. Assoc.)>

Medical dictionary. 2011.