/ ˌriːˈgruːp; NAmE / verb
1.
regroup (sth) (for sth) to arrange the way people or soldiers work together in a new way, especially in order to continue fighting or attacking sb :
[ vn ]
They regrouped their forces and renewed the attack.
[ v ]
After its election defeat, the party needs to regroup.
2.
[ v ] ( of a person ) to return to a normal state after an unpleasant experience or a period of difficulty, and become ready to make an effort again with new enthusiasm or strength :
Summer is a time to relax, regroup and catch up on all those things you've been putting off all year.