Lewis & Short

antīquārĭus, a, um, adj. [antiquus], pertaining to antiquity.

  1. I. Adj.: ars, the art of reading and copying ancient MSS., Hier. Ep. ad Flor. 5, 1.
    Hence,
  2. II. Subst.: antīquārĭus, ii, m.
    1. A. One that is fond of or employs himself about antiquities, an antiquarian, antiquary (post-Aug.): nec quemquam adeo antiquarium puto, ut, etc., Tac. Or. 21; * Suet. Aug. 86.
      Also * antī-quārĭa, ae, f., she that is fond of antiquity, a female antiquarian, Juv. 6, 454.
    2. B. One that understands reading and copying ancient MSS., Cod. Th. 4, 8, 2; Aus. Ep. 16 al.