append

verb

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

   “a seal appended to a record”

   “An inscription was appended to the column.”

2. (transitive)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.

noun

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

   “After recursively sorting the two subsets, the situation is (11,28) 35 (45,50,62) and an append of the three pieces gives the final result.”

   “Logging can be used to back out bad data, be it an overwrite of existing data or an append of new data.”

   “When a file is created or expanded due to an append of new data to the file, new blocks are allocated to the file.”