To fall apart; to disintegrate.
To break into crumbs.
To mix (ingredients such as flour and butter) in such a way as to form crumbs.
A dessert of British origin containing stewed fruit topped with a crumbly mixture of fat, flour, and sugar.
To slowly disappear.
To fade from a cut to black in a movie.
To decrease in volume, such as at the end of a song, until there is only silence.
A type of transition used in film, usually at the end of a scene, involving a fade to black from the cut.