Tailpiece

n.	1.	A piece at the end; an appendage.
	2.	(Arch.) One of the timbers which tail into a header, in floor framing. See Illust. of Header.
	3.	(Print.) An ornament placed at the bottom of a short page to fill up the space, or at the end of a book.
	4.	A piece of ebony or other material attached to the lower end of a violin or similar instrument, to which the strings are fastened.
	5.	(Locks) A piece for transmitting motion from the hub of a lock to the latch bolt.
	6.	The part of a telescope containing the adjusting device for the eyepiece, etc.

Noun

1.

tailpiece - appendage added to extend the length of something

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