The Collaborative International Dictionary of English v.0.48:

Baldric \Bal"dric\, n. [OE. baudric, bawdrik, through OF. (cf.
   F. baudrier and LL. baldringus, baldrellus), from OHG.
   balderich, cf. balz, palz, akin to E. belt. See Belt, n.]
   A broad belt, sometimes richly ornamented, worn over one
   shoulder, across the breast, and under the opposite arm; it
   is used to support a sword or bugle by the left hip; less
   properly, any belt. [Also spelt bawdrick and baldrick.]
   [1913 Webster + WordNet 1.5]

         A radiant baldric o'er his shoulder tied
         Sustained the sword that glittered at his side. --Pope.
   [1913 Webster]

WordNet (r) 3.0 (2006):

baldrick
    n 1: a wide (ornamented) belt worn over the right shoulder to
         support a sword or bugle by the left hip [syn: baldric,
         baldrick]