(transitive) To cover with crumbs. / (transitive) To break into crumbs or small pieces with the fingers; to crumble.

A structural feature of an automobile/motor car designed to compress during an accident and absorb impact energy.

A crease, wrinkle, or irregular fold.

(transitive) To rumple; to press into wrinkles by crushing together. / (transitive) To cause to collapse. / (intransitive) To become wrinkled. / (intransitive, figuratively) To collapse.

(informal) Bad; poor. / (dated) Full of crumb or crumbs. / (dated) Soft, like the crumb of bread; not crusty.

(informal, British Columbia and U.S. Pacific Northwest) A small van, bus, or railway car used to transport loggers or other resource workers to and from the worksite. / A cow with a crumpled horn.

That is the way things happen; that's life.

Used other than figuratively or idiomatically: see cake, crumbs. / (idiomatic) Hardly anything.

A type of savoury cake, typically flat and round, made from batter and yeast, containing many small holes and served toasted, usually with butter.

plural of crumb