noun🔗ShareA polygon with five sides and five angles."The artist drew a row of pentagons, each with five sides, to create a border for her drawing. "mathfigureChat with AIVocabulary GamePractice Reading
noun🔗ShareA fort with five bastions."The old city walls were shaped like pentagons, with each of the five bastions offering a strong defensive position. "architecturemilitaryChat with AIVocabulary GamePractice Reading
