filing /ˈfaɪ.lɪŋ/ noun3 •Something that has been officially filed; a document on file.Mueller said in a court filing that Cohen had admitted he briefed Trump and unidentified Trump family members about the progress of the project more extensively than was previously known. — 2018 •The act of storing documents in an archive; archiving. •Any particle that has been removed by a file or similar implement; a shaving.The process left metal filings all over the bench and the part. formsfilings