Meaning of the word MacGuffin in English

What does MacGuffin mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

MacGuffin

US /məˈɡʌf.ɪn/
UK /məˈɡʌf.ɪn/
"MacGuffin" picture

Noun

an object or device in a film or book that serves merely as a trigger for the plot

Example:
The stolen jewels served as the MacGuffin in the heist movie.
The mysterious briefcase was a classic MacGuffin, driving the characters' actions.