One British pound (£1). Casual term.United Kingdom, English. Early 17th century, possibly from Latin “quid” meaning “what.”“It costs twenty quid.”
“Lend me a quid?”
UK, Ireland

Slang Description: quid

“Quid” is the everyday slang for one pound sterling (£1).
Origin: Possibly from Latin “quid pro quo,” meaning “something for something.”
Who used it first: London money markets in the 1600s.
Modern use: Used everywhere in the UK instead of “pound.”

Examples in conversation: