NONAGON


Meaning of NONAGON in English

n.

Pronunciation: ' n ō -n ə - ˌ gän

Function: noun

Etymology: Latin nonus ninth + English -gon ― more at NOON

Date: circa 1639

: a polygon of nine angles and nine sides

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.