Webster's Revised Unabridged Dictionary · 1913

Olio

Olio (ō"li*o or ōl"yo) , noun

[Sp. olla a round earthen pot, a dish of boiled or stewed meat, from Latin olla a pot, dish. Compare Olla, Olla-podrida.]

1.
A dish of stewed meat of different kinds. [Obsolete]
Besides a good olio, the dishes were trifling. — Evelyn
2.
A mixture; a medley. — Dryden
3.
(Music) A collection of miscellaneous pieces.