[n] a steel hand tool with small sharp teeth on some or all of its surfaces; used for smoothing wood or metal
[n] office furniture consisting of a container for keeping papers in order
[n] a set of related records (either written or electronic) kept together
[n] a line of persons or things ranged one behind the other
[v] place in a file
[v] register in a public office or in a court of law; "file for divorce"; "file a complaint"
[v] file a formal charge against; "The suspect was charged with murdering his wife"
[v] smooth with a file; "file one's fingernails"
[v] proceed in file