Introducing a list. The colon is used to introduce a list of items. The bookstore specializes in three subjects: art, architecture, and graphic design. Do not, however, use a colon when the listed items are incorporated into the flow of the sentence.
Definition of medal for Students. : a piece of metal often in the form of a coin with design and words in honor of a special event, a person, or an achievement.
Meritorious Service Medal (United States) The Meritorious Service Medal (MSM) is a military award presented to members of the United States Armed Forces who distinguished themselves by outstanding meritorious achievement or service to the United States subsequent to January 16, 1969.