The Collaborative International Dictionary of English v.0.48:
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. [1913 Webster]WordNet (r) 3.0 (2006):
pantechnicon n 1: a large moving van (especially one used for moving furniture)