We found 22 dictionaries that define the word polygonal:

General (18 matching dictionaries)

1. polygonal: Merriam-Webster
2. polygonal: Oxford Learner's Dictionaries
3. polygonal: Collins English Dictionary
4. polygonal: Vocabulary.com
5. Polygonal, polygonal: Wordnik
6. polygonal: Wiktionary
7. Polygonal, polygonal: Dictionary.com
8. Polygonal: Online Plain Text English Dictionary
9. polygonal: Webster's Revised Unabridged, 1913 Edition
10. polygonal: Rhymezone
11. Polygonal: AllWords.com Multi-Lingual Dictionary
12. polygonal: Webster's 1828 Dictionary
13. polygonal: FreeDictionary.org
14. polygonal: Mnemonic Dictionary
15. polygonal: TheFreeDictionary.com
16. polygonal: Wikimedia Commons US English Pronunciations

Art (1 matching dictionary)

17. POLYGONAL: The Britannia Lexicon (Middle Ages Glossary)

Computing (2 matching dictionaries)

18. Polygonal: Game Dictionary
19. polygonal: Encyclopedia

Tech (1 matching dictionary)

20. Urban Conservation Glossary (No longer online)

(Note: See polygon as well.)

Definitions from Wiktionary (polygonal) ▸ adjective:  Having many angles; hence characteristic of a polygon. ▸ adjective:  Comprised of polygons. Similar: polyangular, many-sided, polygonous, peripolygonal, polygonial, polygonic, polyhedric, polygonate, polygonar, pentangular, more... Opposite: curvilinear, rounded, circular, non-angular Types: triangular, quadrilateral, pentagonal, hexagonal, heptagonal, octagonal, decagonal, dodecagonal, more... Phrases: polygonal shape, polygonal region, polygonal mesh, Polygonal masonry, polygonal numbers, more... Adjectives: jointed, large, undifferentiated, small, symmetrical Colors:     teal,     cyan,     magenta,     lime,     indigo, more... ▸ Words similar to polygonal ▸ Usage examples for polygonal ▸ Idioms related to polygonal ▸ Wikipedia articles (New!) ▸ Popular nouns described by polygonal ▸ Words that often appear near polygonal ▸ Rhymes of polygonal ▸ Invented words related to polygonal