Definitions
from The Century Dictionary.
- noun In geometry, a polygon or plane figure with nine angles.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Geom.) A polygon or plane figure with nine sides and nine angles; a nonagon.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun geometry A
polygon with nine sides; anonagon .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
ennea- + -gon
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Examples
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