Make Our Dictionary Yours
Sign up for our weekly newsletters and get:
By signing in, you agree to our Terms and Conditions
We'll see you in your inbox soon.
Medieval Latin decagōnum from Greek dekagōnon from neuter of dekagōnos having ten angles deka ten dekm̥ in Indo-European roots -gōnos angled –gon
American Heritage Dictionary of the English Language, 5th Edition
deca- + -gon
Find similar words to decagon using the buttons