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3 definitions found
From: DICT.TW English-Chinese Dictionary 英漢字典
 no·na·gon /ˈnonəˌgɑn/
 九邊形
From: Webster's Revised Unabridged Dictionary (1913)
 Non·a·gon n.  Math. A plane figure or polygon having nine sides and nine angles.
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From: WordNet (r) 2.0
 nonagon
      n : a nine-sided polygon