DODECAGON


Meaning of DODECAGON in English

/ dəʊˈdekəgən; NAmE doʊˈ-/ noun

( geometry ) a flat shape with twelve straight sides and twelve angles

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WORD ORIGIN

late 17th cent.: from Greek dōdekagōnon , neuter (used as a noun) of dōdekagōnos twelve-angled.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.