ˈ ̷ ̷ˌ ̷ ̷ noun
1. : a subsidiary part at the lower or rear end : a piece added on at the end : appendage
the tailpiece of a crustacean
the tailpiece of a musical composition
2. : a triangular piece (as of ebony) between which and the pegs the strings of a stringed musical instrument are stretched
3. : the part of a telescope containing the adjusting device for the eyepiece
4. : a relatively shorter beam or rafter tailed in a wall and supported by a header
5. : a piece for transmitting motion from the hub of a lock to the latch bolt
6. : an ornament placed below the text matter of a page (as at the end of a chapter) — compare headpiece