append

/əˈpɛnd/
/ʌˈpɛnd/

noun

  1. An instance of writing more data to the end of an existing file.

verb

  1. To hang or attach to, as by a string, so that the thing is suspended

    "An inscription was appended to the column."

  2. To add, as an accessory to the principal thing; to annex

    "notes appended to a book chapter"

  3. To write more data to the end of a pre-existing file, string, or other object.