Definition of "Retreat" :
noun: the act of withdrawing or going backward (especially to escape something hazardous or unpleasant)
noun: withdrawal for prayer and study and meditation
"The religious retreat is a form of vacation activity."
noun: (military) withdrawal of troops to a more favorable position to escape the enemy's superior forces or after a defeat
"The disorderly retreat of French troops."
noun: an area where you can be alone
noun: (military) a bugle call signaling the lowering of the flag at sunset
noun: (military) a signal to begin a withdrawal from a dangerous position
noun: a place of privacy; a place affording peace and quiet
verb: make a retreat from an earlier commitment or activity
verb: pull back or move away or backward
verb: move back
verb: move away, as for privacy
"The Pope retreats to Castelgondolfo every summer."