gird in WordNet English dictionary

1. prepare oneself for a military confrontation
   "The U.S. is girding for a conflict in the Middle East"; "troops are building up on the Iraqi border"
   arm  build up  fortify  gird 
   
2. bind with something round or circular
   gird  encircle 
   
3. put a girdle on or around
   "gird your loins"
   girdle  gird