dropbox UK /ˈdɹɒp.bɒks/US /ˈdɹɑp.bɑks/ noun3 •A box wherein objects can be deposited by one person for later collection by another.The two smaller slots are for the dropping of cash or markers into the dropbox when players cash these for casino chips. — 1980 •A computer folder to which files may be dragged and dropped and from which users of other computers on the network can access those files.A desktop computer leaves changes in a dropbox on the network. — 1997 •An enhancement to a loom that allows patterns of multiple colors to be woven from the same loom. formsdropboxes