Noun
1. (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"2. a place of privacy; a place affording peace and quiet
3. (military) a signal to begin a withdrawal from a dangerous position
4. (military) a bugle call signaling the lowering of the flag at sunset
5. an area where you can be alone
6. withdrawal for prayer and study and meditation;
"a religious retreat"