CRENEL Meaning of CRENEL in English [ 'krɛn(ə)l ](also ~le krɪ'nɛl ) ■ noun an indentation in the battlements of a building.OriginC15: from OFr., based on pop. L. crena 'notch'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004