Babylonish garment

Easton's Bible Dictionary (1897)

A robe of rich colours fabricated at Babylon, and hence of great value (Josh. 7:21).

Smith's Bible Dictionary (1863)

literally “robe of Shinar,” (Joshua 7:21) an ample robe, probably made of the skin or fur of an animal, comp. (Genesis 25:25) and ornamented with embroidery or perhaps a variegated garment with figures inwoven in the fashion for which the Babylonians were celebrated.

Public domain dictionaries.