D defs.my
Entry 3 senses Webster, 1913

Appendix

/ə-pĕn'dĭks/ · Ap·pen·dix · IPA /əˈpɛn.dɪks/
01 n. Something appended or added; an appendage, adjunct, or concomitant.
pl. Appendixes, Appendices
  1. 1.
    Something appended or added; an appendage, adjunct, or concomitant.
    “Normandy became an appendix to England.” Sir M. Hale.
  2. 2.
    Any literary matter added to a book, but not necessarily essential to its completeness, and thus distinguished from supplement, which is intended to supply deficiencies and correct inaccuracies.
  3. 3.
    The vermiform appendix.(Anatomy)
Syn. See Supplement.