As a Verb or Adjective:
1. To remove the contents from a container; of a container, to have nothing in it. English = empty; (be) empty.
2. Of an amount of something, especially money, to become less and less until there is none left. English = exhaust, use up, dispose of.
3. To completely remove the information and data on a computer disk. English = erase, reformat, initialise a computer disk.