• noun:   the organized work of a religious missionary
• noun:   a special assignment that is given to a person or group

  Example: "A confidential mission to London"

• noun:   an operation that is assigned by a higher headquarters

  Example: "The planes were on a bombing mission"

• noun:   an organization of missionaries in a foreign land sent to carry on religious work
• noun:   a group of representatives or delegates

Related words...