expedition

noun

1. 1

   a journey organized for a particular purpose

2. 2

   a journey taken for pleasure

   many summer excursions to the shore

   it was merely a pleasure trip

3. 3

   a military campaign designed to achieve a specific objective in a foreign country

4. 4

   the property of being prompt and efficient

   it was done with dispatch

5. 5

   an organized group of people undertaking a journey for a particular purpose

   an expedition was sent to explore Mars