Meaning

• Combat, fighting; a battle.

• A collection or mixture of miscellaneous things.

  "a fruit medley"

• A collection of related songs played or mixed together as a single piece.

  "They played a medley of favorite folk songs as an encore."

• A competitive swimming event that combines the four strokes of butterfly, backstroke, breaststroke, and freestyle.

• A cloth of mixed colours.

Meaning

• To combine, to form a medley.