Definitions

1. noun

An American cereal company founded in 1906.

“She ate a bowl of Kellogg’s cornflakes for breakfast.”

2. noun

A person or descendant of John Harvey Kellogg.

“He was a direct descendant of Kellogg, the cereal founder.”

3. proper noun

The surname of the American physician and health reformer John Harvey Kellogg.

“Dr. Kellogg was a pioneer in the field of nutrition.”