sortie

Short definition from Wiktionary

Noun

1. 1
   An attack made by troops from a besieged position; a sally.
2. 2
   An operational flight carried out by a single military aircraft.
3. 3
   An act of venturing out to do a task, etc.
4. 4
   An act of trying to enter a new field of activity.
5. 5
   An attacking move.
6. 6
   An operational flight carried out by a spacecraft involving a return to Earth.
7. 7
   Synonym of sally port (“an entry to or opening into a fortification to enable a sally”).
8. 8
   A series of aerial photographs taken during the flight of an aircraft; (by extension) a photography session.

Verb

1. 1
   To carry out a sortie; to sally.

Proper noun

1. 1
   A surname.