Collapses meaning : The act of collapsing. Constant function, one-valued function (in automata theory) (in particular application causing a reset). To break apart and fall down suddenly; to cave in. To cease to function due to a sudden breakdown; to fail suddenly and completely. To fold compactly. To hide additional directory (folder) levels below the selected directory (folder) levels. When a folder contains no additional folders, a minus sign (-) appears next to the folder. For several batsmen to get out in quick succession To cause something to collapse. To pass out and fall to the floor or ground, as from exhaustion or other illness; to faint.