Definitions

1. interjection

A casual way of saying goodbye or farewell, often used in a friendly or informal manner.

“She waved and said ‘cheerio’ as she boarded the train.”

2. noun

A small amount of food, especially a sweet or savory snack.

“She had a packet of cheerio’s for a quick breakfast.”

3. phrase

A phrase used to express a farewell or goodbye, often used in British English.

“He shouted ‘cheerio’ as he jumped off the bus.”