Lewis & Short

appendix, ĭcis, f (acc. to Paul. ex Fest. p. 21 Müll., earlier ampendix, m.; v. ampendices) [appendo].

  1. I. That which hangs to any thing, an appendage.
    1. A. Lit., App. M. 8, p. 211, 27; 5, p. 169, 10.
      More freq.,
    2. B. Trop., an addition, supplement, or accession to any thing, Varr R. R. 1, 16, 1; cf. id. ib. 3, 9, 2: vidit enim appendicem animi esse corpus, * Cic. Hort. Fragm. ap. Non. p. 42, 9: exigua appendix Etrusci belli, Liv. 9, 41 (cf. accessio): appendices majoris muneris, id. 39, 27: appendices Olcadum, id. 21, 5.
  2. II. A thorny shrub, the barberrybush: Berberis vulgaris, Linn.; Plin. 24, 13, 70, § 114.