You searched English word "Keystone" meaning in Hindi that is "चापबंध प्रस्तर". Keystone translation from English into Roman Urdu is cāpbaṃdh prastar. Keystone is a Noun. We Spell Keystone as [kee-stohn]. Keystone meaning in Hindi has been searched 1385 ( one thousand three hundred eighty five ) times till today 16/06/2024. Get translation of the word Keystone in Urdu and Roman Urdu. Learn how to speak Keystone Word in Hindi and English. You may also find the meaning of Word Keystone in English to Hindi, Urdu, Arabic, Spanish, French, German and other languages.