from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A polygon with nine sides; a nonagon.
from the GNU version of the Collaborative International Dictionary of English
- n. A polygon or plane figure with nine sides and nine angles; a nonagon.
from The Century Dictionary and Cyclopedia
- n. In geometry, a polygon or plane figure with nine angles.
ennea- + -gon (Wiktionary)
Sorry, no example sentences found.
Wordnik is becoming a not-for-profit! Read our announcement here.