noun

• Soft filling material used in cushions etc.
• (computing) Extra characters such as spaces added to a record to fill it out to a fixed length.
• (military, cryptography) Extraneous text added to a message for the purpose of concealing its beginning, ending, or length.
• Anything of little value used to fill up space.
• (obsolete) Robbing on a highway.
• The process of mordanting a fabric.