(breastplate), one of the various names of Mount Hermon, that by which it was known to the Zidonians. (3:9) The use of the name in (Psalms 29:6) (slightly altered in the original-Shirion instead of Sirion) is remarkable.
A breastplate, the Sidonian name of Hermon (q.v.), Deut. 3:9; Ps. 29:6. ...
Easton's Bible Dictionary