I. əˈpendiks, -ēks noun
( plural appendixes -ksə̇z ; or appendi·ces -də(ˌ)sēz)
Etymology: Latin appendic-, appendix, from appendere to attach — more at append (attach)
1. : appendage
the principle of official management was invented … as a natural appendix to political dictatorship — N.S.Timasheff
2. : matter added to a book but not essential to its completeness (as a bibliography or a series of tables usually following the text)
3. : a supplementary part or process attached to another part ; specifically : vermiform appendix
4. : the tube that is located at the bottom of a balloon and used in inflation and deflation
II. transitive verb
( -ed/-ing/-es )
: to add as an appendix : append
appendixed, indexed, and footnoted the book in bang-up scholarly fashion — New Yorker