Definition of "glissando"

(music) Either a continuous sliding from one pitch to another ("true" glissando), or an incidental scale played while moving from one melodic note to another ("effective" glissando).  examples

A method of playing an electric guitar in which a metal bar is held at right angles across the strings and rapidly moved up and down, creating a smooth, lush sound.  examples

(music) To play with a glissando or sliding effect.  examples