[gli-sahn-doh] 
adjective, noun, plural -di [-dee] . Music.| 1. | performed with a gliding effect by sliding one or more fingers rapidly over the keys of a piano or strings of a harp. |
| 2. | a glissando passage. |
| 3. | (in string playing) a slide. |
| glis·san·do (glĭ-sän'dō) n. pl. glis·san·di (-dē) or glis·san·dos Music A rapid slide through a series of consecutive tones in a scalelike passage. [French glissade; see glissade + -ando (as in accelerando).] |