Also see definition of "Rug" in Word Study
Rug
RUG [isbe]
RUG - rug: Alternative rendering of a word (semikhah) in Jdg 4:18 the Revised Version (British and American), "mantle" the King James Version. The translation is doubtful; Oxford Hebrew Lexicon; see Brown, Driver, and Briggs gives "rug or thick coverlet (?)."
Also see definition of "Rug" in Word Study