feed back into

feed something back into something

to return something back to where it came. I tried to feed the stamps back into the machine, but, of course, they wouldn't go. The machine made too many boxes, but you can't feed them back into it!
See also: back, feed
References in periodicals archive ?
Railroads pay lower tariffs than do trucking companies--about half--and with more grain coming in on the tracks, the resulting savings will feed back into the system.
18micron and below process, and a way to fix problems with ECO scripts that feed back into place and route tools.