The Collaborative International Dictionary of English v.0.48:

Baraca \Ba*ra"ca\, n.
   An international, interdenominational organization of Bible
   classes of young men; -- so named in allusion to the Hebrew
   word Berachah (Meaning blessing) occurring in --2 Chron. xx.
   26 and --1 Chron. xii.
   [Webster 1913 Suppl.]