Definition of retreats:
(n) :
The act of pulling back or withdrawing, as from something dangerous, or unpleasant.
(n) :
The act of reversing direction and receding from a forward position.
(n) :
(military) Withdrawal by a military force from a dangerous position or from enemy attack.
(n) :
A period of retirement, seclusion, or solitude, especially for meditation, prayer, or study.
(v) :
(intransitive) To withdraw from a position, go back.
(v) :
(intransitive) To withdraw military forces.