Definitions of file:

• noun:   a steel hand tool with small sharp teeth on some or all of its surfaces; used for smoothing wood or metal
• noun:   office furniture consisting of a container for keeping papers in order
• noun:   a set of related records (either written or electronic) kept together
• noun:   a line of persons or things ranged one behind the other
• verb:   place in a container for keeping records

  Example: "File these bills, please"

• verb:   record in a public office or in a court of law

  Example: "File for divorce"

• verb:   smooth with a file

  Example: "File one's fingernails"

• verb:   proceed in line

  Example: "The students filed into the classroom"

• verb:   file a formal charge against
• name:  A surname (very rare: popularity rank in the U.S.: #19703)