Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mathematics A
polygon with twenty sides and twentyangles .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
From Ancient Greek εἰκοσάγωνος (eikosagōnos, "having twenty sides"), from εἴκοσι (eikosi, "twenty") + γωνία (gōnia, "angle").
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