Wikidiffcom is likely misspelled.
Wikidiffcom has no English definition.
As a noun tailpiece is
an appendage or appendix.
wikidiffcom
Not English
Wikidiffcom has no English definition. It may be misspelled. tailpiece
English
Noun
(
en noun)
An appendage or appendix
(music, lutherie) A triangular piece of metal or ebony to which the strings of a violin, guitar, etc. are attached at the lower end
(architecture) A short joist between a header and a wall