meaning of dongle disk
1. dongle-disk /dongl disk/ Or "key disk" A kind of dongle consisting of a special floppy disk that is required in order to perform some task. Some contain special coding that allows an application to identify it uniquely, others *are* special code that does something that normally-resident programs dont or cant. For example, AT&Ts "Unix PC" would only come up in root mode with a special boot disk. [Jargon File]