A postscript.
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.
Something to be added; especially text added as an appendix or supplement to a document.
A concluding passage of text or speech; an epilogue or afterword.
The final part of a piece; especially music played (normally on the organ) at the end of a church service.
To form a postlude (to); to end with a postlude.