noun🔗ShareAchteckA polygon with eight sides and eight angles."The stop sign has eight sides; it is an octagon. "Das Stoppschild hat acht Seiten; es ist ein Achteck.mathfigurestructureChat with AIVocabulary GamePractice Reading
noun🔗ShareAchteck, OktagonOften in the form Octagon: the arena for mixed martial arts."The mixed martial arts tournament was held in a large octagon. "Das Mixed-Martial-Arts-Turnier fand in einem großen Achteck statt.sportentertainmentbuildingareastructureChat with AIVocabulary GamePractice Reading
