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."