(noun)

A type of onion characterized by its purple or deep reddish-brown skin and a strong flavor. It belongs to the Allium genus and is commonly used in various culinary preparations.

Example Sentence: The recipe calls for one diced purple onion to add a vibrant hue to the salad.

(adjective)

Referring to the color of a purple or deep reddish-brown onion, often used to describe the visual appearance of the skin or flesh.

Example Sentence: The artist skillfully blended different shades of purple onion to create a stunning mosaic.

(informal noun)

Slang term often used to refer to a nightclub, bar, or music venue that features live performances, typically of a more intimate and low-key nature.

Example Sentence: Let's head to the Purple Onion tonight for some live jazz music.