GLISSANDO Meaning of GLISSANDO in English [ glɪ'sandəʊ ]■ noun ( plural glissandi -di or ~s ) Music a continuous slide upwards or downwards between two notes.OriginItal., from Fr. glisser 'to slip, slide'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004