Source : Webster's Revised Unabridged Dictionary (1913)

Pantechnicon \Pan*tech"ni*con\, n. [NL. See {Pan-}, and
   {Technic}.]
   A depository or place where all sorts of manufactured
   articles are collected for sale.

Source : WordNet®

pantechnicon
     n : a large moving van (especially one used for moving
         furniture)