[n] a journey organized for a particular purpose
[n] a journey taken for pleasure; "many summer excursions to the shore"; "it was merely a pleasure trip"; "after cautious sashays into the field"
[n] a military campaign designed to achieve a specific objective in a foreign country
[n] the property of being prompt and efficient; "it was done with dispatch"
[n] an organized group of people undertaking a journey for a particular purpose; "an expedition was sent to explore Mars"