Meaning

• The act of expediting something; prompt execution.

• A military journey; an enterprise against some enemy or into enemy territory.

• The quality of being expedite; speed, quickness.

• An important or long journey, for example a march or a voyage

• A trip, especially a long one, made by a person or a group of people for a specific purpose

  "a naval expedition"

• The group of people making such excursion.

Meaning

• To take part in a trip or expedition; to travel.