Webster's Revised Unabridged Dictionary · 1913

Medley

Medley , noun

[Old English medlee, Old French meslée, medlée, mellée, French mêlée. See Meddle, and compare Melée, Mellay.]

1.
A mixture; a mingled and confused mass of ingredients, usually inharmonious; a jumble; a hodgepodge; -- often used contemptuously.
This medley of philosophy and war. — Addison
Love is a medley of endearments, jars, Suspicions, reconcilements, wars. — W. Walsh
2.
The confusion of a hand to hand battle; a brisk, hand to hand engagement; a mêlée. [Obsolete] — Holland
3.
(Music) A composition of passages detached from several different compositions; a potpourri.

Medley is usually applied to vocal, potpourri to instrumental, compositions.

4.
A cloth of mixed colors. — Fuller

Medley , adjective

1.
Mixed; of mixed material or color. [Obsolete]
A medlé coat. — Chaucer
2.
Mingled; confused. — Dryden