• Noun
  • the act of forming or creating something
    1. the formation [=development] of new ideas
    2. The book explains the formation of the planets.
  • something that is formed or created
    1. an interesting cloud formation
    2. new word formations
    3. rock formations
  • an orderly arrangement or group of people, ships, or airplanes
    1. The soldiers were marching in formation.
    2. jets flying in formation
    3. The team ran on the field and lined up in a punt formation.