OPHICLEIDE Meaning of OPHICLEIDE in English [ 'ɒfɪklʌɪd ]■ noun an obsolete bass brass instrument with keys.OriginC19: from Fr. ophicléide , from Gk ophis 'serpent' + kleis , kleid- 'key'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004