Something to be added; especially text added as an appendix or supplement to a document.
The height by which the tooth of a gear projects beyond (outside for external, or inside for internal) the standard pitch circle or pitch line.
A postscript.
Anything that is added.
The act of adding anything.
The arithmetic operation of adding.
A dot at the right side of a note as an indication that its sound is to be lengthened one half.
A title annexed to a person's name to identify him or her more precisely.
Something added to a coat of arms, as a mark of honour.