[hep-tag-uh-nl] 
| having seven sides or angles. |
hep·ta·gon (hěp'tə-gŏn')  (click for larger image in new window) n. A polygon having seven sides. [Latin heptagōnon, from Greek heptagōnos, having seven angles : hepta-, hepta- + -gōnos, angled; see -gon.] hep·tag'o·nal (-tāg'ə-nəl) adj. |
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