Source : Webster's Revised Unabridged Dictionary (1913)

Antiquarian \An`ti*qua"ri*an\, a. [See {Antiquary}].
   Pertaining to antiquaries, or to antiquity; as, antiquarian
   literature.

Antiquarian \An`ti*qua"ri*an\, n.
   1. An antiquary.

   2. A drawing paper of large size. See under {Paper}, n.

Source : WordNet®

antiquarian
     adj 1: of or relating to persons who study or deal in antiques or
            antiquities
     2: of or relating to antiques or antiquities
     n : an expert or collector of antiquities [syn: {antiquary}]