Main Entry:

ap·pen·dix

Pronunciation:

\ə-ˈpen-diks\

Function:

noun

Inflected Form(s):

plural ap·pen·dix·es or ap·pen·di·ces \-də-ˌsēz\

Etymology:

Latin appendic-, appendix, from appendere

Date:

1542

1 a: appendage b: supplementary material usually attached at the end of a piece of writing2: a bodily outgrowth or process ; specifically : vermiform appendix