We found 8 dictionaries that define the word heptagons:

General (7 matching dictionaries)

1. heptagons: Merriam-Webster
2. heptagons: Collins English Dictionary
3. heptagons: Vocabulary.com
4. heptagons: Cambridge Advanced Learner's Dictionary
5. heptagons: Wiktionary
6. heptagons: Dictionary.com
7. heptagons: TheFreeDictionary.com

Computing (1 matching dictionary)

8. heptagons: Encyclopedia

(Note: See heptagon as well.)

Definitions from Wiktionary (heptagon) ▸ noun:  A polygon with seven sides and seven angles. ▸ Also see heptagon ▸ Words similar to heptagons ▸ Usage examples for heptagons ▸ Idioms related to heptagons ▸ Wikipedia articles (New!) ▸ Popular adjectives describing heptagons ▸ Words that often appear near heptagons ▸ Rhymes of heptagons ▸ Invented words related to heptagons