nonagon

pronunciation

How to pronounce nonagon in British English: UK [ˈnɒnəgən]word uk audio image

How to pronounce nonagon in American English: US [ˈnɑnəgɑn] word us audio image

  • Noun:
    a nine-sided polygon

Word Origin

nonagon (n.)
"plane figure with nine sides," 1680s, a hybrid from Latin nonus "ninth" (see nones) + ending from pentagon, etc.