noun🔗SharePentagoneA polygon with five sides and five angles."The stop sign has a pentagon shape. "Le panneau stop a une forme de pentagone.mathfigureChat with AIVocabulary GamePractice Reading
noun🔗SharePentagoneA fort with five bastions."The old fort, a formidable pentagon, protected the city from attack with its five strong bastions. "L'ancien fort, un pentagone formidable, protégeait la ville des attaques grâce à ses cinq bastions solides.militaryarchitectureChat with AIVocabulary GamePractice Reading
