Retreat

When you type in retreat at Merriam Webster you get:

Main Entry: 1re·treat
Pronunciation: ri-'trEt
Function: noun
Etymology: Middle English retret, from Middle French retrait, from past participle of retraire to withdraw, from Latin retrahere, from re- + trahere to draw
Date: 14th century
1 a (1) : an act or process of withdrawing especially from what is difficult, dangerous, or disagreeable (2) : the process of receding from a position or state attained b (1) : the usually forced withdrawal of troops from an enemy or from an advanced position (2) : a signal for retreating c (1) : a signal given by bugle at the beginning of a military flag-lowering ceremony (2) : a military flag-lowering ceremony
2 : a place of privacy or safety : REFUGE
3 : a period of group withdrawal for prayer, meditation, study, and instruction under a director

I have a new definition I'd like to add: re-treat. To treat again. I think I'll go have another cookie.