/ ˈmedli; NAmE / noun
1.
a piece of music consisting of several songs or tunes played or sung one after the other :
a medley of Beatles hits
2.
a mixture of people or things of different kinds :
a medley of flavours / smells
3.
a swimming race in which each member of a team uses a different stroke :
the 4×100 metres medley
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WORD ORIGIN
Middle English (denoting hand-to-hand combat, also cloth made of different coloured wool): from Old French medlee , variant of meslee melee, based on medieval Latin misculare to mix; compare with meddle .