The act or practice of appending.

plural of appendment

Attached as an appendage. / Annexed; concomitant.

Anything attached to something else as incidental or subordinate to it. / (law) An inheritance annexed by prescription to a superior inheritance.

Of, relating to, or of the nature of an appendix or appendices (chiefly of books). / (rare, biology, specifically) Of, pertaining to, or of the nature of the vermiform appendix.

(transitive) To hang or attach to, as by a string, so that the thing is suspended / (transitive) To add, as an accessory to the principal thing; to annex

(pathology) inflammation of the vermiform appendix

(computing) An instance of writing more data to the end of an existing file.

present participle of append

The act by which something is appended.